Semisimple extensions of irrational rotations

被引：8
|
作者：
Lemanczyk, M
Mentzen, MK
Nakada, H
机构：
[1] Nicholas Copernicus Univ, Fac Math & Comp Sci, PL-87100 Torun, Poland
[2] Keio Univ, Dept Math, Kohoku Ku, Yokohama, Kanagawa 2238522, Japan
来源：
STUDIA MATHEMATICA | 2003年 / 156卷 / 01期
关键词：
SELF-JOININGS; COCYCLES; PRIME; MAP;
D O I：
10.4064/sm156-1-3
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
We show that semisimple actions of l.c.s.c. Abelian groups and cocycles with values in such groups can be used to build new examples of semisimple automorphisms (Z-actions) which are relatively weakly mixing extensions of irrational rotations.
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页码：31 / 57
页数：27
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