Semisimple extensions of irrational rotations
Mariusz Lemańczyk ; Mieczysław K. Mentzen ; Hitoshi Nakada
Studia Mathematica, Tome 157 (2003), p. 31-57 / Harvested from The Polish Digital Mathematics Library
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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.

Publié le : 2003-01-01
EUDML-ID : urn:eudml:doc:284954 
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Mariusz Lemańczyk; Mieczysław K. Mentzen; Hitoshi Nakada. Semisimple extensions of irrational rotations. Studia Mathematica, Tome 157 (2003) pp. 31-57. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm156-1-3/