Archive:Inverse semigroup: Difference between revisions
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An inverse semigroup | An '''inverse semigroup''' ''S'' is a [[semigroup]] such that for every ''x ∈ S'' there is a unique '''inverse''' ''y'' such that ''x = xyx'' and ''y = yxy''. | ||
[[Category:Semigroup theory]] | |||
Revision as of 19:10, 8 May 2005
An inverse semigroup S is a semigroup such that for every x ∈ S there is a unique inverse y such that x = xyx and y = yxy.