The norm-strict bidual of a Banach algebra and the dual of Cu(G) |
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Authors: | Michael Grosser Viktor Losert |
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Institution: | (1) Institut für Mathematik, Universität Wien, Strudlhofgasse 4, A-1090 Wien, Austria |
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Abstract: | To each Banach algebra A we associate a (generally) larger Banach algebra A+ which is a quotient of its bidual A . It can be constructed using the strict topology on A and the Arens product on A . A+ has certain more pleasant properties than A , e.g. if A has a bounded right approximate identity, then A+ has a two-sided unit. In the special case A=L1(G) (G a locally compact abelian group) one gets A+=Cu(G) , the dual of the space of bounded, uniformly continuous functions on G, and we show that the center of the convolution algebra Cu(G) is precisely the space M(G) of finite measures on G. |
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