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MULTIPLIERS ON THE SECOND DUAL OF ABSTRACT SEGAL ALGEBRAS

Part of: Abstract harmonic analysis Topological algebras, normed rings and algebras, Banach algebras

Published online by Cambridge University Press:  06 October 2022

MEHDI NEMATI Open the ORCID record for MEHDI NEMATI [Opens in a new window]  and
ZHILA SOHAEI Open the ORCID record for ZHILA SOHAEI [Opens in a new window]
MEHDI NEMATI*
Affiliation:
Department of Mathematical Sciences, Isfahan University of Technology, Isfahan 84156-83111, Iran and School of Mathematics, Institute for Research in Fundamental Sciences (IPM), P.O. Box 19395-5746, Tehran, Iran
ZHILA SOHAEI
Affiliation:
Department of Mathematical Sciences, Isfahan University of Technology, Isfahan 84156-83111, Iran e-mail: [email protected]
*
e-mail: [email protected]
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Abstract

We characterise the existence of certain (weakly) compact multipliers of the second dual of symmetric abstract Segal algebras in both the group algebra $L^{1}(G)$ and the Fourier algebra $A(G)$ of a locally compact group G.

Keywords

abstract Segal algebratopologically invariant φ-meanmultiplier

MSC classification

Primary: 43A07: Means on groups, semigroups, etc.; amenable groups
Secondary: 43A20: $L^1$-algebras on groups, semigroups, etc. 46H10: Ideals and subalgebras 46H20: Structure, classification of topological algebras
Type
Research Article
Information
Bulletin of the Australian Mathematical Society , Volume 108 , Issue 1 , August 2023 , pp. 133 - 141
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Copyright
© The Author(s), 2022. Published by Cambridge University Press on behalf of Australian Mathematical Publishing Association Inc.

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Footnotes

The research of the first author was in part supported by a grant from IPM (No. 1401170411).

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