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International Conference on Algebra, Analysis and Geometry - 2021
August 26, 2021 17:10–17:30, Functional Analysis and Quantum Information Theory, Kazan, Kazan Federal University
 


Extensions of semigroups and Banach modules

E. V. Lipacheva

Kazan State Power Engineering University
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MP4 78.8 Mb
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Adobe PDF 244.7 Kb

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Abstract: We consider the normal extensions of semigroups. The reduced semigroup $C^*$-algebras are associated with these extensions. We study the structure of a Banach module on the underlying space of the reduced semigroup $C^*$-algebra defined for a semigroup that is an extension of another semigroup by a finite group

Keywords: cancellative semigroup, normal extension of semigroup, reduced semigroup $C^*$-algebra, Banach module, free Banach module.

Materials: abstract.pdf (244.7 Kb)

Website: https://zoom.us/j/91819779435?pwd=K1llRzUyV1VCclMzQjRtUEFpMzhYQT09

* Zoom conference ID: 918 1977 9435 , password: 633421

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