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Geometry of linear maps over finite fields

F Vivaldi

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The finite fields of degree two are reinterpreted as discrete phase spaces on the two-dimensional torus. The authors study dynamical systems obtained by iterating linear maps over these fields, from a geometrical viewpoint. These maps can be regarded as the two-dimensional discrete equivalent of a Bernoulli shift. They yield irregular motions, which may coexist with spatial order. They find that the dynamics of orbits of long period can be characterized as a percolation process. The question of randomness in dynamical systems over finite sets is discussed.


PACS

02.40.-k Geometry, differential geometry, and topology

05.50.+q Lattice theory and statistics (Ising, Potts, etc.)

02.10.De Algebraic structures and number theory

MSC

37Cxx Smooth dynamical systems: general theory (See also 34Cxx, 34Dxx)

11T06 Polynomials

Subjects

Mathematical physics

Statistical physics and nonlinear systems

Dates

Issue 1 (January 1992)



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