Ultra-strong Ditkin sets in hypergroups

Chilana, Ajit Kaur; Kumar, Ajay

doi:10.1090/S0002-9939-1979-0545595-1

Ultra-strong Ditkin sets in hypergroups
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by Ajit Kaur Chilana and Ajay Kumar PDF

Proc. Amer. Math. Soc. 77 (1979), 353-358 Request permission

Abstract:

We introduce compactly separating sets for hypergroups which under certain conditions turn out to be ultra-strong Ditkin for the hypergroup algebra whenever their boundary is. We also characterize such sets for the hypergroup related to p-adic numbers.

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