Exact large ideals of B(G) are downward directed

Steven Kaliszewski, Magnus B. Landstad, John Quigg

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

We prove that if E and F are large ideals of B(G) for which the associated coaction functors are exact, then the same is true for E ∩ F. We also give an example of a coaction functor whose restriction to the maximal coactions does not come from any large ideal.

Original languageEnglish (US)
Pages (from-to)4401-4412
Number of pages12
JournalProceedings of the American Mathematical Society
Volume144
Issue number10
DOIs
StatePublished - Oct 2016

Keywords

  • Action
  • Coaction
  • Crossed product
  • Exact sequence
  • Fourier-Stieltjes algebra
  • Morita compatible

ASJC Scopus subject areas

  • Mathematics(all)
  • Applied Mathematics

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