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On 0-homology of categorical at zero semigroups

Boris Novikov, Lyudmyla Polyakova (2009)

Open Mathematics

The isomorphism of 0-homology groups of a categorical at zero semigroup and homology groups of its 0-reflector is proved. Some applications of 0-homology to Eilenberg-MacLane homology of semigroups are given.

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