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Norm Ideals of Completely Continuous Operators

  • Book
  • © 1960

Overview

Authors:
  1. Robert Schatten
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Part of the book series: Ergebnisse der Mathematik und ihrer Grenzgebiete. 2. Folge (MATHE2, volume 27)

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Table of contents (6 chapters)

  1. Front Matter

    Pages N1-VII
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  2. Preliminaries and notation

    • Robert Schatten
    Pages 1-7

  3. The class of operators of the form Σjλj φj ⊗ ψ̄j

    • Robert Schatten
    Pages 7-28

  4. The Schmidt-class

    • Robert Schatten
    Pages 29-36

  5. The trace-class (τ c)

    • Robert Schatten
    Pages 36-45

  6. The successive conjugate spaces of the space ℭ of all completely continuous operators

    • Robert Schatten
    Pages 45-54

  7. Norm ideals

    • Robert Schatten
    Pages 54-79

  8. Back Matter

    Pages 80-82
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Keywords

About this book

Completely continuous operators on a Hilbert space or even on a Banach space have received considerable attention in the last fifty years. Their study was usually confined to special completely continuous operators or to the discovery of properties common to all of them (for instance, that every such operator admits a proper invariant subspace). On the other hand, interest in spaces of completely continuous operators is comparatively new. Some results of this type may be found implicit in the early work of E. SCHMIDT. Other results are "generally known" and cannot be found explicitly in print. One of the interesting and relatively new results states that modulo the language of BANACH (that is, up to equivalence) the space of all operators on a Hilbert space f> is the second conjugate of the space of all completely continuous operators on f>. The study of spaces of completely continuous operators on a perfectly general Banach space involves many difficulties. Some stem, for instance, from the unsolved problem whether a completely continuous operator on a perfectly general Banach space is always approximable in bound by operators of finite rank. The answer is affirmative in all the special Banach spaces considered. An affirmative answer to the above problem is the ultimate desideratum - it ~ould simplify the theory considerably. A negative answer, however, would be equally interesting (although for us not so useful), since it would settle negatively the open "basis problem".

Bibliographic Information

  • Book Title: Norm Ideals of Completely Continuous Operators

  • Authors: Robert Schatten

  • Series Title: Ergebnisse der Mathematik und ihrer Grenzgebiete. 2. Folge

  • DOI: https://doi.org/10.1007/978-3-642-87652-3

  • Publisher: Springer Berlin, Heidelberg

  • eBook Packages: Springer Book Archive

  • Copyright Information: Springer-Verlag OHG. Berlin · Göttingen · Heidelberg 1960

  • Softcover ISBN: 978-3-642-87654-7Published: 05 April 2012

  • eBook ISBN: 978-3-642-87652-3Published: 06 December 2012

  • Edition Number: 1

  • Number of Pages: VIII, 83

  • Topics: Mathematics, general

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