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The Descriptive Set Theory of Polish Group Actions
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Details

  • Page extent: 152 pages
  • Size: 228 x 152 mm
  • Weight: 0.23 kg

Library of Congress

  • Dewey number: 514/.32
  • Dewey version: 20
  • LC Classification: QA611.28 .B43 1996
  • LC Subject headings:
    • Polish spaces (Mathematics)
    • Set theory

Library of Congress Record

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Paperback

 (ISBN-13: 9780521576055 | ISBN-10: 0521576059)

Manufactured on demand: supplied direct from the printer

$56.00 (C)

A Polish space (group) is a separable, completely metrizable topological space (group). This book is about actions of Polish groups, in connection with--or from the point of view of--the subject of descriptive set theory. Descriptive set theory is the study of definable sets and functions in Polish spaces. The basic classes of definable sets are the classes of Borel, analytic and coanalytic sets, and these constitute the main topic of the book, but the authors also consider other classes of definable sets. This will be a valuable book for all researchers in set theory and related areas.

Contents

Descriptive set theory; 1. Polish groups; 2. Actions of polish groups; 3. Equivalence relations; 4. Invariant measures and paradoxical decompositions; 5. Better topologies; 6. Model theory and the Vaught conjecture; 7. Actions with Borel orbit equivalence relations; 8. Definable cardinality; References.

Reviews

"I wholeheartedly recommend this book to anyone with an interest in group action and/or descriptive set theory." Klaas Pieter Hart, Mathematical Reviews

"This is an excellent book for anyone interested in Borel sets and analytic sets...in separable spaces whose topologies can be given by complete metrics...." Arlan Ramsay, Journal of Symbolic Logic

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