Vol. 256, No. 1, 2012

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Variational inequality for conditional pressure on a Borel subset

Yuan Li, Ercai Chen and Wen-Chiao Cheng

Vol. 256 (2012), No. 1, 151–164
Abstract

We define topological conditional pressure on a Borel subset and investigate its properties. We then estimate the supremum of metric conditional entropy with potential energy. The usual basic properties hold for this topological conditional pressure. In particular, we find a variational inequality that is an extension of the variational principle for topological pressure.

Keywords
variational principle, topological conditional pressure, conditional entropy
Mathematical Subject Classification 2010
Primary: 37A35, 37B40
Secondary: 37D35
Milestones
Received: 3 March 2011
Revised: 9 November 2011
Accepted: 14 February 2012
Published: 6 May 2012
Authors
Yuan Li
Key Laboratory of Virtual Geographic Environment
Nanjing Normal University
Nanjing, 210046
China
Ercai Chen
School of Mathematical Science
Nanjing Normal University
Nanjing, 210093
China
Wen-Chiao Cheng
Department of Applied Mathematics
Chinese Culture University
Yangmingshan, Taipei 11114
Taiwan