共 50 条
Epsilon-independence between two processes
被引:0
|作者:
Downarowicz, Tomasz
[1
]
Grzegorek, Paulina
[1
]
机构:
[1] Wroclaw Univ Technol, Inst Math & Comp Sci, PL-50370 Wroclaw, Poland
关键词:
ergodic process;
positive entropy;
epsilon-independence;
induced process;
return time;
D O I:
10.4064/sm188-1-5
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
We study the notion of epsilon-independence of a process on finitely (or countably) many states and that of epsilon-independence between two processes defined on the same measure preserving transformation. For that we use the language of entropy. First we demonstrate that if a process is epsilon-independent then its epsilon-independence from another process can be verified using a simplified condition. The main direction of our study is to find natural examples of epsilon-independence. In case of epsilon-independence of one process, we find an example among processes generated on the induced (first return time) transformation defined on a typical long cylinder set of any given process of positive entropy. To obtain examples of pairs of epsilon-independent processes we have to make an additional assumption on the master process. Then again, we find such pairs generated on the induced transformation as above. This is the most elaborate part of the paper. While the question whether our assumption is necessary remains open, we indicate a large class of processes where our assumption is satisfied.
引用
收藏
页码:77 / 95
页数:19
相关论文