Differential coding - Revision history

en>DavidCary: link to article that goes into more detail, etc.

2014-05-13T02:46:21Z

link to article that goes into more detail, etc.

← Older revision		Revision as of 04:46, 13 May 2014
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	~~In [[mathematics]], in the field of [[group theory]], a [[subgroup]] of a [[group (mathematics)\|group]]~~ is ~~termed '''central''' if it lies inside the center of the group~~.		Wilber Berryhill is what his spouse loves to contact him and he totally loves this name. He is an information officer. Mississippi is where her home is but her spouse desires them to move. To climb is something I truly appreciate doing.<br><br>Feel free to visit my blog [http://appin.co.kr/board_Zqtv22/688025 email psychic readings]

	~~Given a group <math>G</math>, the [[center (group theory)\|center]] of <math>G</math>, denoted as <math>Z(G)</math>,~~ is ~~defined as the set of those elements of the group which commute with every element of the group~~. ~~The center~~ is ~~a [[characteristic subgroup]] and~~ is ~~also an [[abelian group]] (because, in particular, all elements of the center must commute with each other)~~. ~~A subgroup~~ <~~math~~>H<~~/math~~> ~~of <math>G<~~/~~math> is termed ''central'' if <math>H \leq Z(G)<~~/~~math>~~.

	~~Central subgroups have the following properties:~~

	* They are abelian groups.
	* They are [[normal subgroup]]s. In fact, they are [[central factor]]s, and are hence [[transitively normal subgroup]]s.

	~~== References ==~~
	* {{springer\|id=C/~~c021250\|title=Centre of a group}}.~~

	~~[[Category:Subgroup properties]~~]

62.255.115.203: /* Purposes of differential coding */

2013-05-09T08:01:42Z

Purposes of differential coding

← Older revision		Revision as of 10:01, 9 May 2013
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	~~Alyson Meagher is~~ the ~~title her mothers and fathers gave her but she doesn't like when people use her full name. Distributing manufacturing is how he makes~~ a ~~residing. I've always cherished living in Mississippi. As~~ a ~~lady what she really likes~~ is ~~style and she~~'~~s been doing~~ it ~~for fairly~~ a ~~whilst.~~<br><br>~~Visit my web page phone psychic readings~~ ([~~http:~~//~~cspl~~.~~postech~~.ac.kr/~~zboard/Membersonly/144571 Look At This~~])		In [[mathematics]], in the field of [[group theory]], a [[subgroup]] of a [[group (mathematics)\|group]] is termed '''central''' if it lies inside the center of the group.

			Given a group <math>G</math>, the [[center (group theory)\|center]] of <math>G</math>, denoted as <math>Z(G)</math>, is defined as the set of those elements of the group which commute with every element of the group. The center is a [[characteristic subgroup]] and is also an [[abelian group]] (because, in particular, all elements of the center must commute with each other). A subgroup <math>H</math> of <math>G</math> is termed ''central'' if <math>H \leq Z(G)</math>.

			Central subgroups have the following properties:

			* They are abelian groups.
			* They are [[normal subgroup]]s. In fact, they are [[central factor]]s, and are hence [[transitively normal subgroup]]s.

			== References ==
			* {{springer\|id=C/c021250\|title=Centre of a group}}.

			[[Category:Subgroup properties]]

en>SchreiberBike: Repairing links to disambiguation pages - You can help! - Framing

2012-02-25T22:51:05Z

Repairing links to disambiguation pages - You can help! - Framing

New page

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