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Measures and Dynamics on Pascal–Bratteli Diagrams
Journal article   Open access   Peer reviewed

Measures and Dynamics on Pascal–Bratteli Diagrams

Sergey Bezuglyi, Artem Dudko and Olena Karpel
Journal of mathematical physics, analysis, geometry, Vol.22(1), pp.3-21
01/25/2026
DOI: 10.15407/mag22.01.01
url
https://doi.org/10.15407/mag22.01.01View
Published (Version of record) Open Access

Abstract

We introduce and study dynamical systems and measures on stationary generalized Bratteli diagrams B that are represented as the union of countably many classical Pascal-Bratteli diagrams. We describe all ergodic tail invariant measures on B. For every probability tail invariant measure νp on the classical Pascal-Bratteli diagram, we approximate the support of νp by the path space of a subdiagram. By considering various orders on the edges of B, we define dynamical systems with various properties. We show that there exist orders such that the sets of infinite maximal and infinite minimal paths are empty. This implies that the corresponding Vershik map is a homeomorphism. We also describe orders on both B and the classical Pascal-Bratteli diagram that generate either uncountably many minimal infinite and uncountably many maximal infinite paths, or uncountably many minimal infinite paths alongside countably infinitely many maximal infinite paths.
 Borel dynamical systems Bratteli-Vershik model tail invariant measures Pascal-Bratteli diagram

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