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JOURNALS // Zhurnal Srednevolzhskogo Matematicheskogo Obshchestva // Archive

Zhurnal SVMO, 2015, Volume 17, Number 1, Pages 30–36 (Mi svmo516)

The topological classification of locally direct product of DA-diffeomorphism of a 2-torus and rough diffeomorphism of the circle

V. Z. Grinesa, Yu. A. Levchenkoa, O. V. Pochinkab

a N. I. Lobachevski State University of Nizhni Novgorod
b National Research University "Higher School of Economics", Nizhny Novgorod Branch

Abstract: In this paper we consider a class of diffeomorphisms of 3-manifold, such that each diffeomorphism fron this class is a locally direct product of a DA-diffeomorphism of 2-torus and rough diffeomorphism of the circle. We find algebraic criteria for topological conjugacy of the systems. It is proved that the class of topological conjugacy of such diffeomorphism is completely determined by combinatorial invariants, namely hyperbolic automorphism of the torus, a subset of its periodic orbits, the number of periodic orbits and the serial number of the diffeomorphism of the circle

Keywords: topological conjugacy, DA-diffeomorphism, hyperbolic automorphism.

UDC: 517.9

Received: 17.07.2015



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