Factorization of Conditional Expectations on Kac Algebras and Quantum Double Coset Hypergroups

Authors

  • Yu. Chapovsky
  • A. A. Kalyuzhnyi

Abstract

We prove that a conditional expectation on a Kac algebra, under certain conditions, decomposes into a composition of two conditional expectations of a special type and gives rise to a compact quantum hypergroup connected to a quantum Gelfand pair.

Published

25.12.2003

Issue

Section

Research articles

How to Cite

Chapovsky, Yu., and A. A. Kalyuzhnyi. “Factorization of Conditional Expectations on Kac Algebras and Quantum Double Coset Hypergroups”. Ukrains’kyi Matematychnyi Zhurnal, vol. 55, no. 12, Dec. 2003, pp. 1669-77, https://umj.imath.kiev.ua/index.php/umj/article/view/4029.