Properties of a jointly ergodic action of the direct product of two groups |
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Authors: | V Ya Golodets A M Sokhet |
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Institution: | (1) Physicotechnological Institute for Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar'kov |
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Abstract: | An ergodic action a of the direct product of and
, not isomorphic to a product of actions of and G, is constructed, such that the actions of and G separately are not ergodic. The actions of on its ergodic components are metrically isomorphic if and only if these components are taken into one another by the action of G. Finally, the centralizerC
(×G) is such thatC
(×G)/(×G)2.Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 43, No. 5, pp. 684–688, May, 1991. |
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