An intrinsic characterization for PI flows

Douglas C. McMahon and Louis Jack Nachman

Vol. 89 (1980), No. 2, 391–403

DOI: 10.2140/pjm.1980.89.391

Abstract

An intrinsic characterization for a minimal flow (X,T) to be a PI flow is given. This characterization is then combined with some recent techniques of R. Ellis to prove the general PI and HPI versions of the Veech Structure Theorem,

Mathematical Subject Classification 2000

Primary: 54H20

Milestones

Received: 9 August 1978

Revised: 14 June 1979

Published: 1 August 1980