Science Fair Project Encyclopedia
Commutant
In algebra, the commutant of a subset S of an algebra over a field K, A is the subset S' of elements of A commuting with every element of S. In other words,
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S' forms a subalgebra. This is analogous to the concept of a centralizer in group theory.
See also bicommutant, von Neumann bicommutant theorem.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details