Wigner-type theorems for Hilbert Grassmannians

Author(s)

Bibliographic Information

Wigner-type theorems for Hilbert Grassmannians

Mark Pankov

(London Mathematical Society lecture note series, 460)

Cambridge University Press, 2020

  • : pbk

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Note

Includes bibliographical references (p. 141-144) and index

Description and Table of Contents

Description

Wigner's theorem is a fundamental part of the mathematical formulation of quantum mechanics. The theorem characterizes unitary and anti-unitary operators as symmetries of quantum mechanical systems, and is a key result when relating preserver problems to quantum mechanics. At the heart of this book is a geometric approach to Wigner-type theorems, unifying both classical and more recent results. Readers are initiated in a wide range of topics from geometric transformations of Grassmannians to lattices of closed subspaces, before moving on to a discussion of applications. An introduction to all the key aspects of the basic theory is included as are plenty of examples, making this book a useful resource for beginning graduate students and non-experts, as well as a helpful reference for specialist researchers.

Table of Contents

  • Introduction
  • 1. Two lattices
  • 2. Geometric transformations of Grassmannians
  • 3. Lattices of closed subspaces
  • 4. Wigner's theorem and its generalizations
  • 5. Compatibility relation
  • 6. Applications
  • References
  • Index.

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