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Proceedings of the American Mathematical Society

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$ L^{2}(G_{Q}\backslash G_{A})$ is not always multiplicity-free

Author: Lawrence Corwin
Journal: Proc. Amer. Math. Soc. 56 (1976), 329-332
MSC: Primary 22E55
MathSciNet review: 0399370
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Abstract: We show that there are solvable adelic groups $ {G_{\mathbf{A}}}$ whose action on $ {L^2}({G_{\mathbf{Q}}}\backslash {G_{\mathbf{A}}}),{G_{\mathbf{Q}}}\backslash {G_{\mathbf{A}}}$ compact, it is not multiplicity-free.

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Article copyright: © Copyright 1976 American Mathematical Society