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| In [[commutative algebra]], the '''Rees algebra''' of an [[ideal of a ring|ideal]] <math>I</math> in a [[ring (mathematics)|ring]] <math>R</math> is defined to be
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| :<math>\oplus_{n=0}^{\infty} I^n t^n=R[It]\subset R[t].</math>
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| This construction has special interest in [[algebraic geometry]] since the [[Proj_construction|projective scheme]] defined by the Rees algebra of an ideal in a ring is the [[Blowing_up|blowing-up]] of the spectrum of the ring along the [[subscheme]] defined by the ideal.<ref>Eisenbud-Harris, ''The geometry of schemes''. Springer-Verlag, 197, 2000</ref>
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| ==References==
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| <references/> | |
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| ==See also==
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| *[[Associated graded ring]]
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| ==External links==
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| *[http://www.ams.org/journals/proc/2003-131-03/S0002-9939-02-06575-9/S0002-9939-02-06575-9.pdf ''What Is the Rees Algebra of a Module?'']
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| {{algebra-stub}}
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| [[Category:Commutative algebra]]
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| [[Category:Algebraic geometry]]
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Revision as of 03:24, 3 March 2014
Hello!
My name is Brett and I'm a 23 years old boy from Norway.
My blog vivicomb ebay