
AbstractFor a smooth ℤ2-action on a C∞ compact Riemannian manifold M, we discuss its ergodic properties which include the decomposition of the tangent space of M into subspaces related to Lyapunov exponents, the existence of Lyapunov charts, and the subadditivity of entropies.
Riemannian manifold, commuting diffeomorphisms, Lyapunov exponents, subadditivity, Ergodic theory, ergodic properties, entropy, Lyapunov charts
Riemannian manifold, commuting diffeomorphisms, Lyapunov exponents, subadditivity, Ergodic theory, ergodic properties, entropy, Lyapunov charts
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