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Mathematics > Operator Algebras

arXiv:math/0007106 (math)
[Submitted on 17 Jul 2000]

Title:Some irreducible free group representations in which a linear combination of the generators has an eigenvalue

Authors:William L. Paschke
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Abstract: We construct irreducible unitary representations of a finitely generated free group which are weakly contained in the left regular representation and in which a given linear combination of the generators has an eigenvalue. When the eigenvalue is specified, we conjecture that there is only one such representation. The representation we have found is described explicitly (modulo inversion of a certain rational map on euclidean space) in terms of a positive definite function, and also by means of a quasi-invariant probability measure on the combinatorial boundary of the group.
Comments: 30 pages
Subjects: Operator Algebras (math.OA); Group Theory (math.GR)
Cite as: arXiv:math/0007106 [math.OA]
  (or arXiv:math/0007106v1 [math.OA] for this version)
  https://doi.org/10.48550/arXiv.math/0007106

Submission history

From: William L. Paschke [view email]
[v1] Mon, 17 Jul 2000 16:05:30 UTC (26 KB)
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