(New page: Let a be a fixed element of a group G. The centralizer of a in G, C(a), is the set of all elements in G that commute with a. Is the centralizer the inverse of a certain symmetry of an obj...) |
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Latest revision as of 11:45, 14 September 2008
Let a be a fixed element of a group G. The centralizer of a in G, C(a), is the set of all elements in G that commute with a. Is the centralizer the inverse of a certain symmetry of an object?
