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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Dimensionality and the duals of certain locally compact groups


Author: I. Schochetman
Journal: Proc. Amer. Math. Soc. 26 (1970), 514-520
MSC: Primary 22.20
DOI: https://doi.org/10.1090/S0002-9939-1970-0265509-3
MathSciNet review: 0265509
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Abstract | References | Similar Articles | Additional Information

Abstract: Let $G$ be a separable locally compact group containing a closed normal subgroup which is type I and regularly embedded. The elements of the dual space $G$ are known to be induced from certain closed subgroups. In this article we first determine the kernel of an induced representation and then give necessary and sufficient conditions for $G$ to be maximally almost periodic. These results are then applied to the collection of compact extensions of abelian groups.


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Keywords: Locally compact group, normal subgroup, group extension, dual space, finite dimensional representation, irreducible representation, kernel of a representation, induced representation, maximally almost periodic
Article copyright: © Copyright 1970 American Mathematical Society