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Positive polynomials and product type actions of compact groups

About this Title

David Handelman

Publication: Memoirs of the American Mathematical Society
Publication Year 1985: Volume 54, Number 320
ISBNs: 978-0-8218-2322-4 (print); 978-1-4704-0733-9 (online)
MathSciNet review: 783217
MSC: Primary 46L05; Secondary 16A54, 18F25, 19G99, 22E45, 47B99

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Table of Contents


  • I. Orders in ordered rings
  • II. Projectively faithful characters and orders
  • III. Density of point evaluations in the pure state space
  • IV. Extending states to the maximal torus
  • V. Eventual polynomial positivity
  • VI. Polynomial rings on polyhedra
  • VII. Applications to fixed point algebras and crossed products