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Inverse Semigroup

The abstract counterpart of a Pseudogroup formed by certain subsets of a Groupoid which admit a Multiplication.


References

Weinstein, A. ``Groupoids: Unifying Internal and External Symmetry.'' Not. Amer. Math. Soc. 43, 744-752, 1996.




© 1996-9 Eric W. Weisstein
1999-05-26