Forward generator for preimage entropy

被引：1

作者：

Cheng, WC ^{[1
]}

机构：

[1] Natl Chung Cheng Univ, Dept Math, Chiayi 621, Taiwan

来源：

PACIFIC JOURNAL OF MATHEMATICS | 2006年 / 223卷 / 01期

关键词：

preimage entropy; forward generator; expansiveness;

D O I：

10.2140/pjm.2006.223.5

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We investigate preimage entropy and show how to calculate it under the assumption of forward expansiveness. We then define new invariants of non-invertible maps, called the upper preimage entropy and the metric preimage entropy, and obtain variational principles for them. Last, we prove a similar result for the Kolmogorov-Sinai generator.

引用

页码：5 / 16

页数：12

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