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{{Technical|reason=The article should start by providing examples, definitions, and theorems in the setting of undergraduate-level complex analysis, which will make it useful to a fairly wide audience (engineers, physicists, mathematics undergraduates, etc.). Only after that should it provide the formulation informed by modern algebra (involving concepts such as "functor," "union of fields," "direct limit," etc.), which is useful only to a much narrower audience.|date=April 2011}}
 
In [[mathematics]], '''Puiseux series''' are a generalization of [[power series]], first introduced by [[Isaac Newton]] in 1676<ref>{{harvtxt|Newton|1960}}</ref> and rediscovered by [[Victor Puiseux]] in 1850,<ref name="Puiseux1850">Puiseux (1850, 1851)</ref> that allows for negative and fractional exponents of the [[Indeterminate (variable)|indeterminate]] ''T''.  A '''Puiseux series''' in the indeterminate ''T'' is a [[Laurent series]] in ''T''<sup>1/''n''</sup>, where ''n'' is a positive integer. A Puiseux series may be written as:
:<math>\sum_{i=k}^{\infty} a_iT^{i/n},</math>
where {{mvar|k}} is an integer and {{mvar|n}} is a positive integer.
 
'''Puiseux's theorem''', sometimes also called '''Newton&ndash;Puiseux theorem''' asserts that, given a [[polynomial equation]] <math>P(x,y)=0</math>, its solutions in {{mvar|''y''}}, viewed as functions of {{mvar|''x''}}, may be expanded as '''Puiseux series''' that are [[convergent series|convergent]] in some [[neighbourhood (mathematics)|neighbourhood]] of the origin (0 excluded, in the case of a solution that tends to infinity at the origin). In other words, every branch of an [[algebraic curve]] may be locally (in terms of {{mvar|''x''}}) described by a Puiseux series.
 
The set of Puiseux series over an [[algebraically closed field]] of characteristic 0 is itself an algebraically closed field, called the '''field of Puiseux series'''. It is the [[algebraic closure]] of the [[Laurent series|field of Laurent series]]. This statement is also referred to as '''Puiseux's theorem''', being an expression of the original Puiseux theorem in modern abstract language.
 
== Field of Puiseux series ==
If ''K'' is a field then we can define the field of Puiseux series with coefficients in ''K'' (or ''over'' ''K'') informally as the set of formal expressions of the form
:<math>f = \sum_{k=k_0}^{+\infty} c_k T^{k/n}</math>
 
where ''n'' and <math>k_0</math> are a nonzero natural number and an integer respectively (which are part of the datum of ''f''): in other words, Puiseux series differ from formal Laurent series in that they allow for fractional exponents of the indeterminate as long as these fractional exponents have bounded denominator (here ''n''), and just as Laurent series, Puiseux series allow for negative exponents of the indeterminate as long as these negative exponents are bounded (here by <math>k_0</math>).  Addition and multiplication are as expected: one might define them by first “upgrading” the denominator of the exponents to some common denominator and then performing the operation in the corresponding field of formal Laurent series.
 
In other words, the field of Puiseux series with coefficients in ''K'' is the union of the fields <math>K(\!(T^{1/n})\!)</math> (where ''n'' ranges over the nonzero natural numbers), where each element of the union is a field of formal Laurent series over <math>T^{1/n}</math> (considered as an indeterminate), and where each such field is considered as a subfield of the ones with larger ''n'' by rewriting the fractional exponents to use a larger denominator (e.g., <math>T^{1/2}</math> is identified with <math>T^{15/30}</math> as expected).
 
This yields a formal definition of the field of Puiseux series: it is the [[direct limit]] of the direct system, indexed over the non-zero natural numbers ''n'' ordered by [[Divisor|divisibility]], whose objects are all <math>K(\!(T)\!)</math> (the field of formal Laurent series, which we rewrite as
:<math>K(\!(T_n)\!)</math> for clarity),
 
with a morphism
:<math>K(\!(T_m)\!) \to K(\!(T_n)\!)</math>
 
being given, whenever ''m'' divides ''n'', by <math>T_m \mapsto (T_n)^{n/m}</math>.
 
=== Valuation and order ===
The Puiseux series over a field ''K'' form a [[Valuation (algebra)|valued]] field with value group <math>\mathbb{Q}</math> (the [[rationals]]): the ''valuation'' <math>v(f)</math> of a series
:<math>f = \sum_{k=k_0}^{+\infty} c_k T^{k/n}</math>
 
as above is defined to be the smallest rational <math>k/n</math> such that the coefficient <math>c_k</math> of the term with exponent <math>k/n</math> is non-zero (with the usual convention that the valuation of 0 is +∞).  The coefficient <math>c_k</math> in question is typically called the ''valuation coefficient'' of ''f''.
 
This valuation in turn defines a (translation-invariant) [[Metric (mathematics)|distance]] (which is [[Ultrametric space|ultrametric]]), hence a [[Topological space|topology]] on the field of Puiseux series by letting the distance from ''f'' to 0 be <math>\exp(-v(f))</math>.  This justifies ''a posteriori'' the notation
:<math>f = \sum_{k=k_0}^{+\infty} c_k T^{k/n}</math>
 
as the series in question does, indeed, converge to ''f'' in the Puiseux series field (this is in contrast to [[Hahn series]] which ''cannot'' be viewed as converging series).
 
If the base field ''K'' is [[Ordered field|ordered]], then the field of Puiseux series over ''K'' is also naturally (“[[Lexicographical order|lexicographically]]”) ordered as follows: a non-zero Puiseux series ''f'' with 0 is declared positive whenever its valuation coefficient is so.  Essentially, this means that any positive rational power of the indeterminate ''T'' is made positive, but smaller than any positive element in the base field ''K''.
 
If the base field ''K'' is endowed with a valuation ''w'', then we can construct a different valuation on the field of Puiseux series over ''K'' by letting the valuation
:<math>\hat w(f)</math> of <math>f = \sum_{k=k_0}^{+\infty} c_k T^{k/n}</math> be <math>\omega\cdot v + w(c_k),</math>
 
where <math>v=k/n</math> is the previously defined valuation (<math>c_k</math> is the first non-zero coefficient) and ω is infinitely large (in other words, the value group of <math>\hat w</math> is <math>\mathbb{Q} \times \Gamma</math> ordered lexicographically, where Γ is the value group of ''w'').  Essentially, this means that the previously defined valuation ''v'' is corrected by an infinitesimal amount to take into account the valuation ''w'' given on the base field.
 
=== Algebraic closedness of Puiseux series ===
One essential property of Puiseux series is expressed by the following theorem, attributed to Puiseux<ref name="Puiseux1850"/> (for <math>K=\mathbb{C}</math>) but which was implicit in [[Isaac Newton|Newton]]'s use of the [[Newton polygon]] as early as 1671<ref>Newton (1736)</ref> and therefore known either as Puiseux's theorem or as the Newton&ndash;Puiseux theorem:<ref name="Kedlaya2001Intro">cf. Kedlaya (2001), introduction</ref>
 
'''Theorem''': if ''K'' is an algebraically closed field of characteristic zero, then the field of Puiseux series over ''K'' is the algebraic closure of the field of formal Laurent series over ''K''.<ref>cf. Eisenbud (1995), corollary&nbsp;13.15 (p.&nbsp;295)</ref>
 
Very roughly, the proof proceeds essentially by inspecting the Newton polygon of the equation and extracting the coefficients one by one using a valuative form of [[Newton's method]].  Provided algebraic equations can be solved algorithmically in the base field ''K'', then the coefficients of the Puiseux series solutions can be computed to any given order.
 
For example, the equation <math>X^2 - X = T^{-1}</math> has solutions
:<math>X = T^{-1/2} + \frac{1}{2} + \frac{1}{8}T^{1/2} - \frac{1}{128}T^{3/2} + \cdots</math>
 
and
:<math>X = -T^{-1/2} + \frac{1}{2} - \frac{1}{8}T^{1/2} + \frac{1}{128}T^{3/2} + \cdots</math>
 
(one readily checks on the first few terms that the sum and product of these two series are 1 and <math>T^{-1}</math> respectively): this is valid whenever the base field ''K'' has characteristic different from&nbsp;2.
 
As the powers of 2 in the denominators of the coefficients of the previous example might lead one to believe, the statement of the theorem is not true in positive characteristic.  The example of the [[Artin–Schreier theory|Artin–Schreier]] equation <math>X^p - X = T^{-1}</math> shows this: reasoning with valuations shows that ''X'' should have valuation <math>-\frac{1}{p}</math>, and if we rewrite it as <math>X = T^{-1/p} + X_1</math> then
:<math>X^p = T^{-1} + {X_1}^p,\text{ so }{X_1}^p - X_1 = T^{-1/p}</math>
 
and one shows similarly that <math>X_1</math> should have valuation <math>-\frac{1}{p^2}</math>, and proceeding in that way one obtains the series
:<math>T^{-1/p} + T^{-1/p^2} + T^{-1/p^3} + \cdots ; \, </math>
 
since this series makes no sense as a Puiseux series&mdash;because the exponents have unbounded denominators&mdash;the original equation has no solution.  However, such [[Eisenstein's criterion|Eisenstein equations]] are essentially the only ones not to have a solution, because, if ''K'' is algebraically closed of characteristic ''p''&gt;0, then the field of Puiseux series over ''K'' is the perfect closure of the maximal tamely [[Ramification|ramified]] extension of <math>K(\!(T)\!)</math>.<ref name="Kedlaya2001Intro" />
 
Similarly to the case of algebraic closure, there is an analogous theorem for [[Real closed field|real closure]]: if ''K'' is a real closed field, then the field of Puiseux series over ''K'' is the real closure of the field of formal Laurent series over ''K''.<ref>Basu &amp;al (2006), chapter&nbsp;2 (“Real Closed Fields”), theorem&nbsp;2.91 (p.&nbsp;75)</ref>  (This implies the former theorem since any algebraically closed field of characteristic zero is the unique quadratic extension of some real-closed field.)
 
There is also an analogous result for [[p-adically closed field|p-adic closure]]: if ''K'' is a ''p''-adically closed field with respect to a valuation ''w'', then the field of Puiseux series over ''K'' is also ''p''-adically closed.<ref>Cherlin (1976), chapter&nbsp;2 (“The Ax–Kochen–Ershof Transfer Principle”), §7 (“Puiseux series fields”)</ref><!-- I don't know whether it is *the* p-adic closure or whether it can be larger: can someone settle this? -->
 
== Puiseux expansion of algebraic curves and functions ==
 
=== Algebraic curves ===
Let ''X'' be an [[algebraic curve]]<ref>We assume that ''X'' is [[Algebraic variety|irreducible]] or, at least, that it is reduced and that it does not contain the ''y'' coordinate axis.</ref> given by an affine equation <math>F(x,y)=0</math> over an algebraically closed field ''K'' of characteristic zero, and consider a point ''p'' on ''X'' which we can assume to be (0,0).  We also assume that ''X'' is not the coordinate axis ''x''=0.  Then a ''Puiseux expansion'' of (the ''y'' coordinate of) ''X'' at ''p'' is a Puiseux series ''f'' having positive valuation such that <math>F(x,f(x))=0</math>.
 
More precisely, let us define the ''branches'' of ''X'' at ''p'' to be the points ''q'' of the [[Noether normalization lemma|normalization]] ''Y'' of ''X'' which map to ''p''.  For each such ''q'', there is a local coordinate ''t'' of ''Y'' at ''q'' (which is a smooth point) such that the coordinates ''x'' and ''y'' can be expressed as formal power series of ''t'', say <math>x = t^n + \cdots</math> (since ''K'' is algebraically closed, we can assume the valuation coefficient to be&nbsp;1) and <math>y = c t^k + \cdots</math>: then there is a unique Puiseux series of the form <math>f = c T^{k/n} + \cdots</math> (a power series in <math>T^{1/n}</math>), such that <math>y(t)=f(x(t))</math> (the latter expression is meaningful since <math>x(t)^{1/n} = t+\cdots</math> is a well defined power series in ''t'').  This is a Puiseux expansion of ''X'' at ''p'' which is said to be associated to the branch given by ''q'' (or simply, the Puiseux expansion of that branch of ''X''), and each Puiseux expansion of ''X'' at ''p'' is given in this manner for a unique branch of ''X'' at ''p''.<ref>Shafarevich (1994), II.5, p.&nbsp;133&ndash;135</ref><ref>Cutkosky (2004), chapter&nbsp;2, p.&nbsp;3&ndash;11</ref>
 
This existence of a formal parametrization of the branches of an algebraic curve or function is also referred to as ''Puiseux's theorem'': it has arguably the same mathematical content as the fact that the field of Puiseux series is algebraically closed and is a historically more accurate description of the original author's statement.<ref>Puiseux (1850), p.&nbsp;397</ref>
 
For example, the curve <math>y^2 = x^3 + x^2</math> (whose normalization is a line with coordinate ''t'' and map <math>t \mapsto (t^2-1,t^3-t)</math>) has two branches at the double point (0,0), corresponding to the points ''t''&nbsp;=&nbsp;+1 and ''t''&nbsp;=&nbsp;&minus;1 on the normalization, whose Puiseux expansions are <math>y = x + \frac{1}{2}x^2 - \frac{1}{8}x^3 + \cdots</math> and <math>y = - x - \frac{1}{2}x^2 + \frac{1}{8}x^3 + \cdots</math> respectively (here, both are power series because the ''x'' coordinate is [[Étale morphism|étale]] at the corresponding points in the normalization).  At the smooth point (-1,0) (which is ''t''=0 in the normalization), it has a single branch, given by the Puiseux expansion <math>y = -(x+1)^{1/2} + (x+1)^{3/2}</math> (the ''x'' coordinate ramifies at this point, so it is not a power series).
 
The curve <math>y^2 = x^3</math> (whose normalization is again a line with coordinate ''t'' and map <math>t \mapsto (t^2,t^3)</math>), on the other hand, has a single branch at the [[Cusp (singularity)|cusp point]] (0,0), whose Puiseux expansion is <math>y = x^{3/2}</math>.
 
=== Analytic convergence ===
When <math>K = \mathbb{C}</math>, i.e. the field of complex numbers, the Puiseux expansions defined above are [[Radius of convergence|convergent]] in the sense that for a given choice of ''n''-th root of ''x'', they converge for small enough <math>|x|</math>, hence define an analytic parametrization of each branch of ''X'' in the neighborhood of ''p'' (more precisely, the parametrization is by the ''n''-th root of ''x'').
 
== Generalization ==
The field of Puiseux series is not [[Complete metric space|complete]], but its completion can be easily described: it is the field of formal expressions of the form <math>f = \sum_e c_e T^e\,</math>, where the support of the coefficients (that is, the set of ''e'' such that <math>c_e \neq 0</math>) is the range of an increasing sequence of rational numbers that either is finite or tends to +∞.  In other words, such series admit exponents of unbounded denominators, provided there are finitely many terms of exponent less than ''A'' for any given bound ''A''.  For example, <math>\sum_{k=1}^{+\infty} T^{k+\frac{1}{k}}</math> is not a Puiseux series, but it is the limit of a Cauchy sequence of Puiseux series (Puiseux polynomials).  However, even this completion is still not "maximally complete" in the sense that it admits non-trivial extensions which are valued fields having the same value group and residue field,<ref>{{cite journal |last1=Poonen |first1=Bjorn |year=1993 |title=Maximally complete fields |journal=Enseign. Math. |volume=39 |pages=87&ndash;106 |ref=harv}}</ref><ref>{{cite journal |last1=Kaplansky |first1=Irving |year=1942 |title=Maximal Fields with Valuations |journal=Duke Math. J. |volume=9 |pages=393&ndash;321 |ref=harv}}</ref> hence the opportunity of completing it even more:
 
[[Hahn series]] are a further (larger) generalization of Puiseux series, introduced by [[Hans Hahn (mathematician)|Hans Hahn]] (in the course of the proof of his [[Hahn embedding theorem|embedding theorem]] in 1907 and then studied by him in his approach to [[Hilbert's seventeenth problem]]), where instead of requiring the exponents to have bounded denominator they are required to form a [[Well-order|well-ordered subset]] of the value group (usually <math>\mathbb{Q}</math> or <math>\mathbb{R}</math>).  These were later further generalized by [[Anatoly Maltsev]] and [[Bernhard Neumann]] to a non-commutative setting (they are therefore sometimes known as ''Hahn-Mal'cev-Neumann series'').  Using Hahn series, it is possible to give a description of the algebraic closure of the field of power series in positive characteristic which is somewhat analogous to the field of Puiseux series.<ref>Kedlaya (2001)</ref>
 
== Notes ==
<references />
 
== References ==
* {{Cite book | last1=Basu | first1=Saugata | last2=Pollack | first2=Richard | last3=Roy | first3=Marie-Françoise | title=Algorithms in Real Algebraic Geometry | publisher=[[Springer-Verlag]] | series=Algorithms and Computations in Mathematics 10 | edition=2nd | year=2006 | doi=10.1007/3-540-33099-2 | isbn=978-3-540-33098-1 | url=http://perso.univ-rennes1.fr/marie-francoise.roy/bpr-ed2-posted1.html }}
* {{Cite book | last=Cherlin | first=Greg | title=Model Theoretic Algebra Selected Topics | publisher=[[Springer-Verlag]] | series=Lecture Notes in Mathematics 521 | year=1976 | isbn=978-3-540-07696-4 | url=http://www.springerlink.com/content/x5l812m32426/ }}
* {{Cite book | last=Cutkosky | first=Steven Dale | title=Resolution of Singularities | publisher=American Mathematical Society | series=Graduate Studies in Mathematics 63 | year=2004 | isbn=0-8218-3555-6 }}
* {{Cite book | last=Eisenbud | first=David | authorlink=David Eisenbud | title=Commutative Algebra with a View Toward Algebraic Geometry | publisher=[[Springer-Verlag]] | series=[[Graduate Texts in Mathematics]] 150 | year=1995 | isbn=3-540-94269-6 }}
* {{Cite journal | doi=10.1090/S0002-9939-01-06001-4 | last=Kedlaya | first=Kiran Sridhara | year=2001 | title=The algebraic closure of the power series field in positive characteristic | journal=Proc. Amer. Math. Soc. | volume=129 | pages=3461&ndash;3470 | ref=harv | postscript=<!--None--> }}
* {{Cite journal | last=Newton | first=Isaac | author-link=Isaac Newton | year=1671 | year=1736 | title=The method of fluxions and infinite series; with its application to the geometry of curve-lines | ref=harv | postscript=<!--None--> }} (translated from Latin and published by [[John Colson]] in 1736)
*{{Cite book|first=Isaac|last=Newton|year=1960|chapter=letter to Oldenburg dated 1676 Oct 24|title=The correspondence of Isaac Newton|volume=II|publisher=Cambridge University press|pages=126–127|ref=harv|postscript=<!--None-->|isbn=0-521-08722-8}}
* {{Cite journal | last=Puiseux | first=Victor Alexandre | author-link=Victor Puiseux | year=1850 | title=Recherches sur les fonctions algébriques | journal=J. Math. Pures Appl. | volume=15 | pages=365&ndash;480 | ref=harv | postscript=<!--None--> }}
* {{Cite journal | last=Puiseux | first=Victor Alexandre | author-link=Victor Puiseux | year=1851 | title=Recherches sur les fonctions algébriques | journal=J. Math. Pures Appl. | volume=16 | pages=228&ndash;240 | ref=harv | postscript=<!--None--> }}
* {{Cite book | last=Shafarevich | first=Igor Rostislavovich | authorlink=Igor Shafarevich | title=Basic Algebraic Geometry | publisher=[[Springer-Verlag]] | year=1994 | edition=2nd | isbn=3-540-54812-2 }}
 
== External links ==
*{{springer|title=Branch point|id=p/b017500}}
*[http://mathworld.wolfram.com/PuiseuxSeries.html Puiseux series at MathWorld]
*[http://mathworld.wolfram.com/PuiseuxsTheorem.html Puiseux's Theorem at MathWorld]
*[http://planetmath.org/encyclopedia/FractionalPowerSeries.html Puiseux series at PlanetMath]
 
[[Category:Commutative algebra]]
[[Category:Algebraic curves]]

Revision as of 10:15, 9 November 2013

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In mathematics, Puiseux series are a generalization of power series, first introduced by Isaac Newton in 1676[1] and rediscovered by Victor Puiseux in 1850,[2] that allows for negative and fractional exponents of the indeterminate T. A Puiseux series in the indeterminate T is a Laurent series in T1/n, where n is a positive integer. A Puiseux series may be written as:

where Template:Mvar is an integer and Template:Mvar is a positive integer.

Puiseux's theorem, sometimes also called Newton–Puiseux theorem asserts that, given a polynomial equation , its solutions in Template:Mvar, viewed as functions of Template:Mvar, may be expanded as Puiseux series that are convergent in some neighbourhood of the origin (0 excluded, in the case of a solution that tends to infinity at the origin). In other words, every branch of an algebraic curve may be locally (in terms of Template:Mvar) described by a Puiseux series.

The set of Puiseux series over an algebraically closed field of characteristic 0 is itself an algebraically closed field, called the field of Puiseux series. It is the algebraic closure of the field of Laurent series. This statement is also referred to as Puiseux's theorem, being an expression of the original Puiseux theorem in modern abstract language.

Field of Puiseux series

If K is a field then we can define the field of Puiseux series with coefficients in K (or over K) informally as the set of formal expressions of the form

where n and are a nonzero natural number and an integer respectively (which are part of the datum of f): in other words, Puiseux series differ from formal Laurent series in that they allow for fractional exponents of the indeterminate as long as these fractional exponents have bounded denominator (here n), and just as Laurent series, Puiseux series allow for negative exponents of the indeterminate as long as these negative exponents are bounded (here by ). Addition and multiplication are as expected: one might define them by first “upgrading” the denominator of the exponents to some common denominator and then performing the operation in the corresponding field of formal Laurent series.

In other words, the field of Puiseux series with coefficients in K is the union of the fields (where n ranges over the nonzero natural numbers), where each element of the union is a field of formal Laurent series over (considered as an indeterminate), and where each such field is considered as a subfield of the ones with larger n by rewriting the fractional exponents to use a larger denominator (e.g., is identified with as expected).

This yields a formal definition of the field of Puiseux series: it is the direct limit of the direct system, indexed over the non-zero natural numbers n ordered by divisibility, whose objects are all (the field of formal Laurent series, which we rewrite as

for clarity),

with a morphism

being given, whenever m divides n, by .

Valuation and order

The Puiseux series over a field K form a valued field with value group (the rationals): the valuation of a series

as above is defined to be the smallest rational such that the coefficient of the term with exponent is non-zero (with the usual convention that the valuation of 0 is +∞). The coefficient in question is typically called the valuation coefficient of f.

This valuation in turn defines a (translation-invariant) distance (which is ultrametric), hence a topology on the field of Puiseux series by letting the distance from f to 0 be . This justifies a posteriori the notation

as the series in question does, indeed, converge to f in the Puiseux series field (this is in contrast to Hahn series which cannot be viewed as converging series).

If the base field K is ordered, then the field of Puiseux series over K is also naturally (“lexicographically”) ordered as follows: a non-zero Puiseux series f with 0 is declared positive whenever its valuation coefficient is so. Essentially, this means that any positive rational power of the indeterminate T is made positive, but smaller than any positive element in the base field K.

If the base field K is endowed with a valuation w, then we can construct a different valuation on the field of Puiseux series over K by letting the valuation

of be

where is the previously defined valuation ( is the first non-zero coefficient) and ω is infinitely large (in other words, the value group of is ordered lexicographically, where Γ is the value group of w). Essentially, this means that the previously defined valuation v is corrected by an infinitesimal amount to take into account the valuation w given on the base field.

Algebraic closedness of Puiseux series

One essential property of Puiseux series is expressed by the following theorem, attributed to Puiseux[2] (for ) but which was implicit in Newton's use of the Newton polygon as early as 1671[3] and therefore known either as Puiseux's theorem or as the Newton–Puiseux theorem:[4]

Theorem: if K is an algebraically closed field of characteristic zero, then the field of Puiseux series over K is the algebraic closure of the field of formal Laurent series over K.[5]

Very roughly, the proof proceeds essentially by inspecting the Newton polygon of the equation and extracting the coefficients one by one using a valuative form of Newton's method. Provided algebraic equations can be solved algorithmically in the base field K, then the coefficients of the Puiseux series solutions can be computed to any given order.

For example, the equation has solutions

and

(one readily checks on the first few terms that the sum and product of these two series are 1 and respectively): this is valid whenever the base field K has characteristic different from 2.

As the powers of 2 in the denominators of the coefficients of the previous example might lead one to believe, the statement of the theorem is not true in positive characteristic. The example of the Artin–Schreier equation shows this: reasoning with valuations shows that X should have valuation , and if we rewrite it as then

and one shows similarly that should have valuation , and proceeding in that way one obtains the series

since this series makes no sense as a Puiseux series—because the exponents have unbounded denominators—the original equation has no solution. However, such Eisenstein equations are essentially the only ones not to have a solution, because, if K is algebraically closed of characteristic p>0, then the field of Puiseux series over K is the perfect closure of the maximal tamely ramified extension of .[4]

Similarly to the case of algebraic closure, there is an analogous theorem for real closure: if K is a real closed field, then the field of Puiseux series over K is the real closure of the field of formal Laurent series over K.[6] (This implies the former theorem since any algebraically closed field of characteristic zero is the unique quadratic extension of some real-closed field.)

There is also an analogous result for p-adic closure: if K is a p-adically closed field with respect to a valuation w, then the field of Puiseux series over K is also p-adically closed.[7]

Puiseux expansion of algebraic curves and functions

Algebraic curves

Let X be an algebraic curve[8] given by an affine equation over an algebraically closed field K of characteristic zero, and consider a point p on X which we can assume to be (0,0). We also assume that X is not the coordinate axis x=0. Then a Puiseux expansion of (the y coordinate of) X at p is a Puiseux series f having positive valuation such that .

More precisely, let us define the branches of X at p to be the points q of the normalization Y of X which map to p. For each such q, there is a local coordinate t of Y at q (which is a smooth point) such that the coordinates x and y can be expressed as formal power series of t, say (since K is algebraically closed, we can assume the valuation coefficient to be 1) and : then there is a unique Puiseux series of the form (a power series in ), such that (the latter expression is meaningful since is a well defined power series in t). This is a Puiseux expansion of X at p which is said to be associated to the branch given by q (or simply, the Puiseux expansion of that branch of X), and each Puiseux expansion of X at p is given in this manner for a unique branch of X at p.[9][10]

This existence of a formal parametrization of the branches of an algebraic curve or function is also referred to as Puiseux's theorem: it has arguably the same mathematical content as the fact that the field of Puiseux series is algebraically closed and is a historically more accurate description of the original author's statement.[11]

For example, the curve (whose normalization is a line with coordinate t and map ) has two branches at the double point (0,0), corresponding to the points t = +1 and t = −1 on the normalization, whose Puiseux expansions are and respectively (here, both are power series because the x coordinate is étale at the corresponding points in the normalization). At the smooth point (-1,0) (which is t=0 in the normalization), it has a single branch, given by the Puiseux expansion (the x coordinate ramifies at this point, so it is not a power series).

The curve (whose normalization is again a line with coordinate t and map ), on the other hand, has a single branch at the cusp point (0,0), whose Puiseux expansion is .

Analytic convergence

When , i.e. the field of complex numbers, the Puiseux expansions defined above are convergent in the sense that for a given choice of n-th root of x, they converge for small enough , hence define an analytic parametrization of each branch of X in the neighborhood of p (more precisely, the parametrization is by the n-th root of x).

Generalization

The field of Puiseux series is not complete, but its completion can be easily described: it is the field of formal expressions of the form , where the support of the coefficients (that is, the set of e such that ) is the range of an increasing sequence of rational numbers that either is finite or tends to +∞. In other words, such series admit exponents of unbounded denominators, provided there are finitely many terms of exponent less than A for any given bound A. For example, is not a Puiseux series, but it is the limit of a Cauchy sequence of Puiseux series (Puiseux polynomials). However, even this completion is still not "maximally complete" in the sense that it admits non-trivial extensions which are valued fields having the same value group and residue field,[12][13] hence the opportunity of completing it even more:

Hahn series are a further (larger) generalization of Puiseux series, introduced by Hans Hahn (in the course of the proof of his embedding theorem in 1907 and then studied by him in his approach to Hilbert's seventeenth problem), where instead of requiring the exponents to have bounded denominator they are required to form a well-ordered subset of the value group (usually or ). These were later further generalized by Anatoly Maltsev and Bernhard Neumann to a non-commutative setting (they are therefore sometimes known as Hahn-Mal'cev-Neumann series). Using Hahn series, it is possible to give a description of the algebraic closure of the field of power series in positive characteristic which is somewhat analogous to the field of Puiseux series.[14]

Notes

  1. Template:Harvtxt
  2. 2.0 2.1 Puiseux (1850, 1851)
  3. Newton (1736)
  4. 4.0 4.1 cf. Kedlaya (2001), introduction
  5. cf. Eisenbud (1995), corollary 13.15 (p. 295)
  6. Basu &al (2006), chapter 2 (“Real Closed Fields”), theorem 2.91 (p. 75)
  7. Cherlin (1976), chapter 2 (“The Ax–Kochen–Ershof Transfer Principle”), §7 (“Puiseux series fields”)
  8. We assume that X is irreducible or, at least, that it is reduced and that it does not contain the y coordinate axis.
  9. Shafarevich (1994), II.5, p. 133–135
  10. Cutkosky (2004), chapter 2, p. 3–11
  11. Puiseux (1850), p. 397
  12. One of the biggest reasons investing in a Singapore new launch is an effective things is as a result of it is doable to be lent massive quantities of money at very low interest rates that you should utilize to purchase it. Then, if property values continue to go up, then you'll get a really high return on funding (ROI). Simply make sure you purchase one of the higher properties, reminiscent of the ones at Fernvale the Riverbank or any Singapore landed property Get Earnings by means of Renting

    In its statement, the singapore property listing - website link, government claimed that the majority citizens buying their first residence won't be hurt by the new measures. Some concessions can even be prolonged to chose teams of consumers, similar to married couples with a minimum of one Singaporean partner who are purchasing their second property so long as they intend to promote their first residential property. Lower the LTV limit on housing loans granted by monetary establishments regulated by MAS from 70% to 60% for property purchasers who are individuals with a number of outstanding housing loans on the time of the brand new housing purchase. Singapore Property Measures - 30 August 2010 The most popular seek for the number of bedrooms in Singapore is 4, followed by 2 and three. Lush Acres EC @ Sengkang

    Discover out more about real estate funding in the area, together with info on international funding incentives and property possession. Many Singaporeans have been investing in property across the causeway in recent years, attracted by comparatively low prices. However, those who need to exit their investments quickly are likely to face significant challenges when trying to sell their property – and could finally be stuck with a property they can't sell. Career improvement programmes, in-house valuation, auctions and administrative help, venture advertising and marketing, skilled talks and traisning are continuously planned for the sales associates to help them obtain better outcomes for his or her shoppers while at Knight Frank Singapore. No change Present Rules

    Extending the tax exemption would help. The exemption, which may be as a lot as $2 million per family, covers individuals who negotiate a principal reduction on their existing mortgage, sell their house short (i.e., for lower than the excellent loans), or take part in a foreclosure course of. An extension of theexemption would seem like a common-sense means to assist stabilize the housing market, but the political turmoil around the fiscal-cliff negotiations means widespread sense could not win out. Home Minority Chief Nancy Pelosi (D-Calif.) believes that the mortgage relief provision will be on the table during the grand-cut price talks, in response to communications director Nadeam Elshami. Buying or promoting of blue mild bulbs is unlawful.

    A vendor's stamp duty has been launched on industrial property for the primary time, at rates ranging from 5 per cent to 15 per cent. The Authorities might be trying to reassure the market that they aren't in opposition to foreigners and PRs investing in Singapore's property market. They imposed these measures because of extenuating components available in the market." The sale of new dual-key EC models will even be restricted to multi-generational households only. The models have two separate entrances, permitting grandparents, for example, to dwell separately. The vendor's stamp obligation takes effect right this moment and applies to industrial property and plots which might be offered inside three years of the date of buy. JLL named Best Performing Property Brand for second year running

    The data offered is for normal info purposes only and isn't supposed to be personalised investment or monetary advice. Motley Fool Singapore contributor Stanley Lim would not personal shares in any corporations talked about. Singapore private home costs increased by 1.eight% within the fourth quarter of 2012, up from 0.6% within the earlier quarter. Resale prices of government-built HDB residences which are usually bought by Singaporeans, elevated by 2.5%, quarter on quarter, the quickest acquire in five quarters. And industrial property, prices are actually double the levels of three years ago. No withholding tax in the event you sell your property. All your local information regarding vital HDB policies, condominium launches, land growth, commercial property and more

    There are various methods to go about discovering the precise property. Some local newspapers (together with the Straits Instances ) have categorised property sections and many local property brokers have websites. Now there are some specifics to consider when buying a 'new launch' rental. Intended use of the unit Every sale begins with 10 p.c low cost for finish of season sale; changes to 20 % discount storewide; follows by additional reduction of fiftyand ends with last discount of 70 % or extra. Typically there is even a warehouse sale or transferring out sale with huge mark-down of costs for stock clearance. Deborah Regulation from Expat Realtor shares her property market update, plus prime rental residences and houses at the moment available to lease Esparina EC @ Sengkang
  13. One of the biggest reasons investing in a Singapore new launch is an effective things is as a result of it is doable to be lent massive quantities of money at very low interest rates that you should utilize to purchase it. Then, if property values continue to go up, then you'll get a really high return on funding (ROI). Simply make sure you purchase one of the higher properties, reminiscent of the ones at Fernvale the Riverbank or any Singapore landed property Get Earnings by means of Renting

    In its statement, the singapore property listing - website link, government claimed that the majority citizens buying their first residence won't be hurt by the new measures. Some concessions can even be prolonged to chose teams of consumers, similar to married couples with a minimum of one Singaporean partner who are purchasing their second property so long as they intend to promote their first residential property. Lower the LTV limit on housing loans granted by monetary establishments regulated by MAS from 70% to 60% for property purchasers who are individuals with a number of outstanding housing loans on the time of the brand new housing purchase. Singapore Property Measures - 30 August 2010 The most popular seek for the number of bedrooms in Singapore is 4, followed by 2 and three. Lush Acres EC @ Sengkang

    Discover out more about real estate funding in the area, together with info on international funding incentives and property possession. Many Singaporeans have been investing in property across the causeway in recent years, attracted by comparatively low prices. However, those who need to exit their investments quickly are likely to face significant challenges when trying to sell their property – and could finally be stuck with a property they can't sell. Career improvement programmes, in-house valuation, auctions and administrative help, venture advertising and marketing, skilled talks and traisning are continuously planned for the sales associates to help them obtain better outcomes for his or her shoppers while at Knight Frank Singapore. No change Present Rules

    Extending the tax exemption would help. The exemption, which may be as a lot as $2 million per family, covers individuals who negotiate a principal reduction on their existing mortgage, sell their house short (i.e., for lower than the excellent loans), or take part in a foreclosure course of. An extension of theexemption would seem like a common-sense means to assist stabilize the housing market, but the political turmoil around the fiscal-cliff negotiations means widespread sense could not win out. Home Minority Chief Nancy Pelosi (D-Calif.) believes that the mortgage relief provision will be on the table during the grand-cut price talks, in response to communications director Nadeam Elshami. Buying or promoting of blue mild bulbs is unlawful.

    A vendor's stamp duty has been launched on industrial property for the primary time, at rates ranging from 5 per cent to 15 per cent. The Authorities might be trying to reassure the market that they aren't in opposition to foreigners and PRs investing in Singapore's property market. They imposed these measures because of extenuating components available in the market." The sale of new dual-key EC models will even be restricted to multi-generational households only. The models have two separate entrances, permitting grandparents, for example, to dwell separately. The vendor's stamp obligation takes effect right this moment and applies to industrial property and plots which might be offered inside three years of the date of buy. JLL named Best Performing Property Brand for second year running

    The data offered is for normal info purposes only and isn't supposed to be personalised investment or monetary advice. Motley Fool Singapore contributor Stanley Lim would not personal shares in any corporations talked about. Singapore private home costs increased by 1.eight% within the fourth quarter of 2012, up from 0.6% within the earlier quarter. Resale prices of government-built HDB residences which are usually bought by Singaporeans, elevated by 2.5%, quarter on quarter, the quickest acquire in five quarters. And industrial property, prices are actually double the levels of three years ago. No withholding tax in the event you sell your property. All your local information regarding vital HDB policies, condominium launches, land growth, commercial property and more

    There are various methods to go about discovering the precise property. Some local newspapers (together with the Straits Instances ) have categorised property sections and many local property brokers have websites. Now there are some specifics to consider when buying a 'new launch' rental. Intended use of the unit Every sale begins with 10 p.c low cost for finish of season sale; changes to 20 % discount storewide; follows by additional reduction of fiftyand ends with last discount of 70 % or extra. Typically there is even a warehouse sale or transferring out sale with huge mark-down of costs for stock clearance. Deborah Regulation from Expat Realtor shares her property market update, plus prime rental residences and houses at the moment available to lease Esparina EC @ Sengkang
  14. Kedlaya (2001)

References

  • 20 year-old Real Estate Agent Rusty from Saint-Paul, has hobbies and interests which includes monopoly, property developers in singapore and poker. Will soon undertake a contiki trip that may include going to the Lower Valley of the Omo.

    My blog: http://www.primaboinca.com/view_profile.php?userid=5889534
  • 20 year-old Real Estate Agent Rusty from Saint-Paul, has hobbies and interests which includes monopoly, property developers in singapore and poker. Will soon undertake a contiki trip that may include going to the Lower Valley of the Omo.

    My blog: http://www.primaboinca.com/view_profile.php?userid=5889534
  • 20 year-old Real Estate Agent Rusty from Saint-Paul, has hobbies and interests which includes monopoly, property developers in singapore and poker. Will soon undertake a contiki trip that may include going to the Lower Valley of the Omo.

    My blog: http://www.primaboinca.com/view_profile.php?userid=5889534
  • 20 year-old Real Estate Agent Rusty from Saint-Paul, has hobbies and interests which includes monopoly, property developers in singapore and poker. Will soon undertake a contiki trip that may include going to the Lower Valley of the Omo.

    My blog: http://www.primaboinca.com/view_profile.php?userid=5889534
  • One of the biggest reasons investing in a Singapore new launch is an effective things is as a result of it is doable to be lent massive quantities of money at very low interest rates that you should utilize to purchase it. Then, if property values continue to go up, then you'll get a really high return on funding (ROI). Simply make sure you purchase one of the higher properties, reminiscent of the ones at Fernvale the Riverbank or any Singapore landed property Get Earnings by means of Renting

    In its statement, the singapore property listing - website link, government claimed that the majority citizens buying their first residence won't be hurt by the new measures. Some concessions can even be prolonged to chose teams of consumers, similar to married couples with a minimum of one Singaporean partner who are purchasing their second property so long as they intend to promote their first residential property. Lower the LTV limit on housing loans granted by monetary establishments regulated by MAS from 70% to 60% for property purchasers who are individuals with a number of outstanding housing loans on the time of the brand new housing purchase. Singapore Property Measures - 30 August 2010 The most popular seek for the number of bedrooms in Singapore is 4, followed by 2 and three. Lush Acres EC @ Sengkang

    Discover out more about real estate funding in the area, together with info on international funding incentives and property possession. Many Singaporeans have been investing in property across the causeway in recent years, attracted by comparatively low prices. However, those who need to exit their investments quickly are likely to face significant challenges when trying to sell their property – and could finally be stuck with a property they can't sell. Career improvement programmes, in-house valuation, auctions and administrative help, venture advertising and marketing, skilled talks and traisning are continuously planned for the sales associates to help them obtain better outcomes for his or her shoppers while at Knight Frank Singapore. No change Present Rules

    Extending the tax exemption would help. The exemption, which may be as a lot as $2 million per family, covers individuals who negotiate a principal reduction on their existing mortgage, sell their house short (i.e., for lower than the excellent loans), or take part in a foreclosure course of. An extension of theexemption would seem like a common-sense means to assist stabilize the housing market, but the political turmoil around the fiscal-cliff negotiations means widespread sense could not win out. Home Minority Chief Nancy Pelosi (D-Calif.) believes that the mortgage relief provision will be on the table during the grand-cut price talks, in response to communications director Nadeam Elshami. Buying or promoting of blue mild bulbs is unlawful.

    A vendor's stamp duty has been launched on industrial property for the primary time, at rates ranging from 5 per cent to 15 per cent. The Authorities might be trying to reassure the market that they aren't in opposition to foreigners and PRs investing in Singapore's property market. They imposed these measures because of extenuating components available in the market." The sale of new dual-key EC models will even be restricted to multi-generational households only. The models have two separate entrances, permitting grandparents, for example, to dwell separately. The vendor's stamp obligation takes effect right this moment and applies to industrial property and plots which might be offered inside three years of the date of buy. JLL named Best Performing Property Brand for second year running

    The data offered is for normal info purposes only and isn't supposed to be personalised investment or monetary advice. Motley Fool Singapore contributor Stanley Lim would not personal shares in any corporations talked about. Singapore private home costs increased by 1.eight% within the fourth quarter of 2012, up from 0.6% within the earlier quarter. Resale prices of government-built HDB residences which are usually bought by Singaporeans, elevated by 2.5%, quarter on quarter, the quickest acquire in five quarters. And industrial property, prices are actually double the levels of three years ago. No withholding tax in the event you sell your property. All your local information regarding vital HDB policies, condominium launches, land growth, commercial property and more

    There are various methods to go about discovering the precise property. Some local newspapers (together with the Straits Instances ) have categorised property sections and many local property brokers have websites. Now there are some specifics to consider when buying a 'new launch' rental. Intended use of the unit Every sale begins with 10 p.c low cost for finish of season sale; changes to 20 % discount storewide; follows by additional reduction of fiftyand ends with last discount of 70 % or extra. Typically there is even a warehouse sale or transferring out sale with huge mark-down of costs for stock clearance. Deborah Regulation from Expat Realtor shares her property market update, plus prime rental residences and houses at the moment available to lease Esparina EC @ Sengkang
  • One of the biggest reasons investing in a Singapore new launch is an effective things is as a result of it is doable to be lent massive quantities of money at very low interest rates that you should utilize to purchase it. Then, if property values continue to go up, then you'll get a really high return on funding (ROI). Simply make sure you purchase one of the higher properties, reminiscent of the ones at Fernvale the Riverbank or any Singapore landed property Get Earnings by means of Renting

    In its statement, the singapore property listing - website link, government claimed that the majority citizens buying their first residence won't be hurt by the new measures. Some concessions can even be prolonged to chose teams of consumers, similar to married couples with a minimum of one Singaporean partner who are purchasing their second property so long as they intend to promote their first residential property. Lower the LTV limit on housing loans granted by monetary establishments regulated by MAS from 70% to 60% for property purchasers who are individuals with a number of outstanding housing loans on the time of the brand new housing purchase. Singapore Property Measures - 30 August 2010 The most popular seek for the number of bedrooms in Singapore is 4, followed by 2 and three. Lush Acres EC @ Sengkang

    Discover out more about real estate funding in the area, together with info on international funding incentives and property possession. Many Singaporeans have been investing in property across the causeway in recent years, attracted by comparatively low prices. However, those who need to exit their investments quickly are likely to face significant challenges when trying to sell their property – and could finally be stuck with a property they can't sell. Career improvement programmes, in-house valuation, auctions and administrative help, venture advertising and marketing, skilled talks and traisning are continuously planned for the sales associates to help them obtain better outcomes for his or her shoppers while at Knight Frank Singapore. No change Present Rules

    Extending the tax exemption would help. The exemption, which may be as a lot as $2 million per family, covers individuals who negotiate a principal reduction on their existing mortgage, sell their house short (i.e., for lower than the excellent loans), or take part in a foreclosure course of. An extension of theexemption would seem like a common-sense means to assist stabilize the housing market, but the political turmoil around the fiscal-cliff negotiations means widespread sense could not win out. Home Minority Chief Nancy Pelosi (D-Calif.) believes that the mortgage relief provision will be on the table during the grand-cut price talks, in response to communications director Nadeam Elshami. Buying or promoting of blue mild bulbs is unlawful.

    A vendor's stamp duty has been launched on industrial property for the primary time, at rates ranging from 5 per cent to 15 per cent. The Authorities might be trying to reassure the market that they aren't in opposition to foreigners and PRs investing in Singapore's property market. They imposed these measures because of extenuating components available in the market." The sale of new dual-key EC models will even be restricted to multi-generational households only. The models have two separate entrances, permitting grandparents, for example, to dwell separately. The vendor's stamp obligation takes effect right this moment and applies to industrial property and plots which might be offered inside three years of the date of buy. JLL named Best Performing Property Brand for second year running

    The data offered is for normal info purposes only and isn't supposed to be personalised investment or monetary advice. Motley Fool Singapore contributor Stanley Lim would not personal shares in any corporations talked about. Singapore private home costs increased by 1.eight% within the fourth quarter of 2012, up from 0.6% within the earlier quarter. Resale prices of government-built HDB residences which are usually bought by Singaporeans, elevated by 2.5%, quarter on quarter, the quickest acquire in five quarters. And industrial property, prices are actually double the levels of three years ago. No withholding tax in the event you sell your property. All your local information regarding vital HDB policies, condominium launches, land growth, commercial property and more

    There are various methods to go about discovering the precise property. Some local newspapers (together with the Straits Instances ) have categorised property sections and many local property brokers have websites. Now there are some specifics to consider when buying a 'new launch' rental. Intended use of the unit Every sale begins with 10 p.c low cost for finish of season sale; changes to 20 % discount storewide; follows by additional reduction of fiftyand ends with last discount of 70 % or extra. Typically there is even a warehouse sale or transferring out sale with huge mark-down of costs for stock clearance. Deborah Regulation from Expat Realtor shares her property market update, plus prime rental residences and houses at the moment available to lease Esparina EC @ Sengkang (translated from Latin and published by John Colson in 1736)
  • 20 year-old Real Estate Agent Rusty from Saint-Paul, has hobbies and interests which includes monopoly, property developers in singapore and poker. Will soon undertake a contiki trip that may include going to the Lower Valley of the Omo.

    My blog: http://www.primaboinca.com/view_profile.php?userid=5889534
  • One of the biggest reasons investing in a Singapore new launch is an effective things is as a result of it is doable to be lent massive quantities of money at very low interest rates that you should utilize to purchase it. Then, if property values continue to go up, then you'll get a really high return on funding (ROI). Simply make sure you purchase one of the higher properties, reminiscent of the ones at Fernvale the Riverbank or any Singapore landed property Get Earnings by means of Renting

    In its statement, the singapore property listing - website link, government claimed that the majority citizens buying their first residence won't be hurt by the new measures. Some concessions can even be prolonged to chose teams of consumers, similar to married couples with a minimum of one Singaporean partner who are purchasing their second property so long as they intend to promote their first residential property. Lower the LTV limit on housing loans granted by monetary establishments regulated by MAS from 70% to 60% for property purchasers who are individuals with a number of outstanding housing loans on the time of the brand new housing purchase. Singapore Property Measures - 30 August 2010 The most popular seek for the number of bedrooms in Singapore is 4, followed by 2 and three. Lush Acres EC @ Sengkang

    Discover out more about real estate funding in the area, together with info on international funding incentives and property possession. Many Singaporeans have been investing in property across the causeway in recent years, attracted by comparatively low prices. However, those who need to exit their investments quickly are likely to face significant challenges when trying to sell their property – and could finally be stuck with a property they can't sell. Career improvement programmes, in-house valuation, auctions and administrative help, venture advertising and marketing, skilled talks and traisning are continuously planned for the sales associates to help them obtain better outcomes for his or her shoppers while at Knight Frank Singapore. No change Present Rules

    Extending the tax exemption would help. The exemption, which may be as a lot as $2 million per family, covers individuals who negotiate a principal reduction on their existing mortgage, sell their house short (i.e., for lower than the excellent loans), or take part in a foreclosure course of. An extension of theexemption would seem like a common-sense means to assist stabilize the housing market, but the political turmoil around the fiscal-cliff negotiations means widespread sense could not win out. Home Minority Chief Nancy Pelosi (D-Calif.) believes that the mortgage relief provision will be on the table during the grand-cut price talks, in response to communications director Nadeam Elshami. Buying or promoting of blue mild bulbs is unlawful.

    A vendor's stamp duty has been launched on industrial property for the primary time, at rates ranging from 5 per cent to 15 per cent. The Authorities might be trying to reassure the market that they aren't in opposition to foreigners and PRs investing in Singapore's property market. They imposed these measures because of extenuating components available in the market." The sale of new dual-key EC models will even be restricted to multi-generational households only. The models have two separate entrances, permitting grandparents, for example, to dwell separately. The vendor's stamp obligation takes effect right this moment and applies to industrial property and plots which might be offered inside three years of the date of buy. JLL named Best Performing Property Brand for second year running

    The data offered is for normal info purposes only and isn't supposed to be personalised investment or monetary advice. Motley Fool Singapore contributor Stanley Lim would not personal shares in any corporations talked about. Singapore private home costs increased by 1.eight% within the fourth quarter of 2012, up from 0.6% within the earlier quarter. Resale prices of government-built HDB residences which are usually bought by Singaporeans, elevated by 2.5%, quarter on quarter, the quickest acquire in five quarters. And industrial property, prices are actually double the levels of three years ago. No withholding tax in the event you sell your property. All your local information regarding vital HDB policies, condominium launches, land growth, commercial property and more

    There are various methods to go about discovering the precise property. Some local newspapers (together with the Straits Instances ) have categorised property sections and many local property brokers have websites. Now there are some specifics to consider when buying a 'new launch' rental. Intended use of the unit Every sale begins with 10 p.c low cost for finish of season sale; changes to 20 % discount storewide; follows by additional reduction of fiftyand ends with last discount of 70 % or extra. Typically there is even a warehouse sale or transferring out sale with huge mark-down of costs for stock clearance. Deborah Regulation from Expat Realtor shares her property market update, plus prime rental residences and houses at the moment available to lease Esparina EC @ Sengkang
  • One of the biggest reasons investing in a Singapore new launch is an effective things is as a result of it is doable to be lent massive quantities of money at very low interest rates that you should utilize to purchase it. Then, if property values continue to go up, then you'll get a really high return on funding (ROI). Simply make sure you purchase one of the higher properties, reminiscent of the ones at Fernvale the Riverbank or any Singapore landed property Get Earnings by means of Renting

    In its statement, the singapore property listing - website link, government claimed that the majority citizens buying their first residence won't be hurt by the new measures. Some concessions can even be prolonged to chose teams of consumers, similar to married couples with a minimum of one Singaporean partner who are purchasing their second property so long as they intend to promote their first residential property. Lower the LTV limit on housing loans granted by monetary establishments regulated by MAS from 70% to 60% for property purchasers who are individuals with a number of outstanding housing loans on the time of the brand new housing purchase. Singapore Property Measures - 30 August 2010 The most popular seek for the number of bedrooms in Singapore is 4, followed by 2 and three. Lush Acres EC @ Sengkang

    Discover out more about real estate funding in the area, together with info on international funding incentives and property possession. Many Singaporeans have been investing in property across the causeway in recent years, attracted by comparatively low prices. However, those who need to exit their investments quickly are likely to face significant challenges when trying to sell their property – and could finally be stuck with a property they can't sell. Career improvement programmes, in-house valuation, auctions and administrative help, venture advertising and marketing, skilled talks and traisning are continuously planned for the sales associates to help them obtain better outcomes for his or her shoppers while at Knight Frank Singapore. No change Present Rules

    Extending the tax exemption would help. The exemption, which may be as a lot as $2 million per family, covers individuals who negotiate a principal reduction on their existing mortgage, sell their house short (i.e., for lower than the excellent loans), or take part in a foreclosure course of. An extension of theexemption would seem like a common-sense means to assist stabilize the housing market, but the political turmoil around the fiscal-cliff negotiations means widespread sense could not win out. Home Minority Chief Nancy Pelosi (D-Calif.) believes that the mortgage relief provision will be on the table during the grand-cut price talks, in response to communications director Nadeam Elshami. Buying or promoting of blue mild bulbs is unlawful.

    A vendor's stamp duty has been launched on industrial property for the primary time, at rates ranging from 5 per cent to 15 per cent. The Authorities might be trying to reassure the market that they aren't in opposition to foreigners and PRs investing in Singapore's property market. They imposed these measures because of extenuating components available in the market." The sale of new dual-key EC models will even be restricted to multi-generational households only. The models have two separate entrances, permitting grandparents, for example, to dwell separately. The vendor's stamp obligation takes effect right this moment and applies to industrial property and plots which might be offered inside three years of the date of buy. JLL named Best Performing Property Brand for second year running

    The data offered is for normal info purposes only and isn't supposed to be personalised investment or monetary advice. Motley Fool Singapore contributor Stanley Lim would not personal shares in any corporations talked about. Singapore private home costs increased by 1.eight% within the fourth quarter of 2012, up from 0.6% within the earlier quarter. Resale prices of government-built HDB residences which are usually bought by Singaporeans, elevated by 2.5%, quarter on quarter, the quickest acquire in five quarters. And industrial property, prices are actually double the levels of three years ago. No withholding tax in the event you sell your property. All your local information regarding vital HDB policies, condominium launches, land growth, commercial property and more

    There are various methods to go about discovering the precise property. Some local newspapers (together with the Straits Instances ) have categorised property sections and many local property brokers have websites. Now there are some specifics to consider when buying a 'new launch' rental. Intended use of the unit Every sale begins with 10 p.c low cost for finish of season sale; changes to 20 % discount storewide; follows by additional reduction of fiftyand ends with last discount of 70 % or extra. Typically there is even a warehouse sale or transferring out sale with huge mark-down of costs for stock clearance. Deborah Regulation from Expat Realtor shares her property market update, plus prime rental residences and houses at the moment available to lease Esparina EC @ Sengkang
  • 20 year-old Real Estate Agent Rusty from Saint-Paul, has hobbies and interests which includes monopoly, property developers in singapore and poker. Will soon undertake a contiki trip that may include going to the Lower Valley of the Omo.

    My blog: http://www.primaboinca.com/view_profile.php?userid=5889534

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