The similarity-degree conjecture for Fourier algebras
The similarity-degree conjecture for Fourier algebras
Let be a locally compact group. Write for the unit ball of the unitization of the Fourier algebra , let denote the algebra of continuous functions vanishing at infinity, and let be the completely bounded similarity degree of . Similarity-degree conjecture. For every locally compact group, one has
The claim gives a uniform upper bound on the completely bounded similarity degree of Fourier algebras and identifies the relevant unitized object with . The supplied text does not indicate whether this assertion is established or remains open.
Sources & referencesView supporting material
Primary source
Hun Hee Lee, Ebrahim Samei and Nico Spronk, “Similarity degree of Fourier algebras”, arXiv:1511.03423 (2016).
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