Talk:Permutation group

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Revision as of 01:18, 16 December 2010 by imported>Boris Tsirelson (→‎Symmetry group: new section)
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 Definition:  Group whose elements are permutations of some set of symbols where the product of two permutations is the permutation arising from successive application of the two. [d] [e]
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Symmetry group

Is the symmetry group always about affine transformations? In some context symmetries are motions (or isometries) rather than all affine transformations. More generally, isomorphisms of a given structure (of any kind) are often called symmetries. --Boris Tsirelson 07:18, 16 December 2010 (UTC)

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