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On semigroup algebras of cancellative commutative semigroups

Published online by Cambridge University Press:  14 November 2011

A. V. Kelarev
Affiliation:
Department of Mathematics and Mechanics, Ural State University, Lenina 51, Sverdlovsk 620083, U.S.S.R

Synopsis

A cancellative commutative semigroup s and a hereditary radical ρ are constructed such that ρ is S-homogeneous but not S-normal. This answers a question which arose in the literature.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1991

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