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Banach algebras and the general theory of *-algebras.
Author:
ISBN: 0521366372 9780521366373 0521366380 9781107325777 9780521124102 9780521366380 9780511574757 9780521152617 1107325773 9781107088023 110708802X 0511574754 1139886282 1107102685 1107100143 1107094208 0521124107 Year: 1994 Volume: 49 Publisher: Cambridge : Cambridge University Press,

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Abstract

This is the first volume of a two volume set that provides a modern account of basic Banach algebra theory including all known results on general Banach *-algebras. This account emphasises the role of *-algebra structure and explores the algebraic results which underlie the theory of Banach algebras and *-algebras. This first volume is an independent, self-contained reference on Banach algebra theory. Each topic is treated in the maximum interesting generality within the framework of some class complex algebras rather than topological algebras. In both volumes proofs are presented in complete detail at a level accessible to graduate students. In addition, the books contain a wealth of historical comments, background material, examples, particularly in noncommutative harmonic analysis, and an extensive bibliography. Together these books will become the standard reference for the general theory of *-algebras.

Ultrametric Banach algebras
Author:
ISBN: 1281928267 9786611928261 9812775609 9789812775603 9781281928269 9789812381941 9812381945 661192826X Year: 2003 Publisher: Singapore ; River Edge, NJ : World Scientific,

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Abstract

In this book, ultrametric Banach algebras are studied with the help of topological considerations, properties from affinoid algebras, and circular filters which characterize absolute values on polynomials and make a nice tree structure. The Shilov boundary does exist for normed ultrametric algebras. In uniform Banach algebras, the spectral norm is equal to the supremum of all continuous multiplicative seminorms whose kernel is a maximal ideal. Two different such seminorms can have the same kernel. Krasner-Tate algebras are characterized among Krasner algebras, affinoid algebras, and ultrametric Banach algebras. Given a Krasner-Tate algbebra A=K{t}[x], the absolute values extending the Gauss norm from K{t} to A are defined by the elements of the Shilov boundary of A.


Book
Banach algebras
Author:
ISBN: 0226542033 9780226542034 Year: 1975 Publisher: Chicago (Ill.): University of Chicago press

Continuous semigroups in Banach algebras
Author:
ISBN: 1139884069 1107366070 1107370809 1107361168 1107369908 1299403875 1107363616 0511662424 9781107361164 9780511662423 0521285984 9780521285988 Year: 1982 Volume: 63. Publisher: Cambridge : Cambridge University Press,

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Abstract

In these notes the abstract theory of analytic one-parameter semigroups in Banach algebras is discussed, with the Gaussian, Poisson and fractional integral semigroups in convolution Banach algebras serving as motivating examples. Such semigroups are constructed in a Banach algebra with a bounded approximate identity. Growth restrictions on the semigroup are linked to the structure of the underlying Banach algebra. The Hille-Yosida Theorem and a result of J. Esterle's on the nilpotency of semigroups are proved in detail. The lecture notes are an expanded version of lectures given by the author at the University of Edinburgh in 1980 and can be used as a text for a graduate course in functional analysis.

Algebraic and strong splittings of extensions of Banach algebras
Authors: --- ---
ISSN: 00659266 ISBN: 0821810588 Year: 1999 Publisher: Providence (R.I.): American Mathematical Society


Book
Invariant subspaces of Hardy classes on infinitely connected open surfaces
Author:
ISBN: 0821818600 Year: 1975 Publisher: Providence (R.I.): American Mathematical Society

The second duals of Beurling algebras.
Authors: ---
ISBN: 0821837745 Year: 2005 Publisher: Providence (R.I.) American Mathematical Society


Book
Natural function algebras
Author:
ISBN: 0387904492 3540904492 1461380707 9780387904498 Year: 1979 Publisher: New York (N.Y.): Springer

Derivations and automorphisms of Banach algebras of power series
Author:
ISBN: 0821818465 Year: 1974 Publisher: Providence (R.I.): American Mathematical Society

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