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AuthorReiter, Hans. author
TitleMetaplectic Groups and Segal Algebras [electronic resource] / by Hans Reiter
ImprintBerlin, Heidelberg : Springer Berlin Heidelberg, 1989
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Descript XIV, 134 p. online resource


These notes give an account of recent work in harmonic analysis dealing with the analytical foundations of A. Weil's theory of metaplectic groups. It is shown that Weil's main theorem holds for a class of functions (a certain Segal algebra) larger than that of the Schwartz-Bruhat functions considered by Weil. The theorem is derived here from some general results about this class which seems to be a rather natural one in the context of Weil's theory. No previous knowledge of the latter is assumed, however, and the theory is developed here, step by step; Further, a complete discussion of the Segal algebra concerned is given, with references to the literature. Weil's metaplectic groups are somewhat easier to investigate when the characteristic is not 2; the case of characteristic 2 presents some special features which are fully discussed. New problems that arise are indicated


Preliminaries from harmonic analysis and group theory -- Segal algebras; the Segal algebra G 1 (G) -- Weilโ{128}{153}s unitary operators and the Segal algebra G 1 (G) -- Weilโ{128}{153}s group of operators and related groups -- Vector spaces and quadratic forms ever local fields -- Properties of certain quadratic forms -- Weil operators for vector spaces over local fields -- The metaplectic group (local case); Segal continuity -- The metaplectic group and Segal continuity in the adelic case -- Weilโ{128}{153}s theorem 6

Mathematics Topological groups Lie groups Number theory Mathematics Topological Groups Lie Groups Number Theory


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