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Weighted discrete hypergroups

Mahmood Alaghmandan (Institutionen för matematiska vetenskaper, matematik) ; Ebrahim Samei
Indiana University Mathematics Journal (0022-2518). Vol. 65 (2016), 2, p. 423-451.
[Artikel, refereegranskad vetenskaplig]

Weighted group algebras have been studied extensively in Abstract Harmonic Analysis, where complete characterizations have been found for some important properties of weighted group algebras, namely, amenability and Arens regularity. One of the generalizations of weighted group algebras is weighted hypergroup algebras. Defining weighted hypergroups, analogous to weighted groups, we study Arens regularity and isomorphism to operator algebras for them. We also examine our results on three classes of discrete weighted hypergroups constructed by conjugacy classes of FC groups, the dual space of compact groups, and the hypergroup structure defined by orthogonal polynomials. We observe some unexpected examples regarding Arens regularity and operator isomorphisms of weighted hypergroup algebras.

Nyckelord: discrete hypergroups, weighted hypergroups, compact groups, FC groups

Denna post skapades 2016-05-18. Senast ändrad 2016-08-12.
CPL Pubid: 236691


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Institutionen för matematiska vetenskaper, matematik (2005-2016)


Matematisk analys

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