Normal extensions of semigroups and embeddings of semigroup C*-algebras

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The article deals with the normal extensions of cancellative abelian semigroups and the reduced semigroup C*-algebras. For a normal extension generated by one element of a semigroup, we consider two reduced semigroup C*-algebras defined by this extension. It is shown that there exists a natural embedding of the semigroup C*-algebras.

Редуцированная полугрупповая c*-алгебра, вложение полугрупповой c*-алгебры, cancellative semigroup, extension of semigroup, normal extension of semigroup, exact sequence, reduced semigroup c*-algebra, toeplitz algebra, embedding of semigroup c*-algebra

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Короткий адрес: https://sciup.org/142223106

IDR: 142223106

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