Group Coextensions

  • P. A. Grillet
Part of the Advances in Mathematics book series (ADMA, volume 2)


Group coextensions were developed independently by Grillet [1974] and Leech [1975] for semigroups in general. They yield precise constructions of complete commutative semigroups in terms of abelian groups and group-free semigroups. This leads to the semigroup cohomology which is studied in the last chapters of this book.


Abelian Group Minimal Element Commutative Semigroup Semi Group Ideal Extension 
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Copyright information

© Springer Science+Business Media Dordrecht 2001

Authors and Affiliations

  • P. A. Grillet
    • 1
  1. 1.Tulane UniversityNew OrleansUSA

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