Topic
Approximation property
About: Approximation property is a research topic. Over the lifetime, 5941 publications have been published within this topic receiving 114115 citations.
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Book•
01 Jan 1987
TL;DR: In this article, the classical interpolation theorem is extended to the Banach Function Spaces, and the K-Method is used to find a Banach function space with a constant number of operators.
Abstract: Banach Function Spaces. Rearrangement-Invariant Banach Function Spaces. Interpolation of Operators on Rearrangement-Invariant Spaces. The Classical Interpolation Theorems. The K-Method. Each chapter includes references. Index.
3,388 citations
Book•
10 Dec 1996
TL;DR: PDE examples by type linear problems as mentioned in this paper, including nonlinear stationary problems, nonlinear evolution problems, and nonlinear Cauchy problems, can be found in this paper.
Abstract: PDE examples by type Linear problems...An introduction Nonlinear stationary problems Nonlinear evolution problems Accretive operators and nonlinear Cauchy problems Appendix Bibliography Index.
1,379 citations
Book•
01 Oct 1974
1,318 citations
Book•
11 Feb 1972
TL;DR: In this paper, the authors propose a compact operator on Hilbert Space and C*-Algebras, as well as Compact Operators, Fredholm Operators and Index Theory.
Abstract: 1 Banach Spaces.- 2 Banach Algebras.- 3 Geometry of Hilbert Space.- 4 Operators on Hilbert Space and C*-Algebras.- 5 Compact Operators, Fredholm Operators, and Index Theory.- 6 The Hardy Spaces.- 7 Toeplitz Operators.- References.
1,211 citations
Book•
01 Jan 1975
TL;DR: In this article, the equivalence and orthogonality of Gaussian measures in abstract Wiener spaces were investigated in the context of Banach spaces, where Gaussian measure equivalence was shown to be equivalent to the corresponding equivalence in abstract Wasserstein spaces.
Abstract: Gaussian measures in Banach spaces- Equivalence and orthogonality of Gaussian measures- Some results about abstract Wiener space
1,053 citations