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Two-symbol Pisot substitutions have pure discrete spectrum

Published online by Cambridge University Press:  22 September 2003

MICHAEL HOLLANDER
Affiliation:
23-08 Newtown Rd #3F West, Long Island City, NY 11102, USA
BORIS SOLOMYAK
Affiliation:
Box 354350, Department of Mathematics, University of Washington, Seattle, WA 98195, USA (e-mail: solomyak@math.washington.edu)

Abstract

We show that any Pisot substitution dynamical system on two symbols has pure discrete spectrum. This follows from an analysis of a combinatorial ‘balanced pair algorithm’, in view of recent progress on the Strong Coincidence Conjecture made by Barge and Diamond.

Type
Research Article
Copyright
2003 Cambridge University Press

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