scientific article

zbMath0643.58018MaRDI QIDQ3785644

Maciej P. Wojtkowski, Werner Ballmann

Publication date: 1987

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

compact Riemannian manifold with nonpositive sectional curvaturenonpositive symmetric operator

Mathematics Subject Classification ID

Entropy and other invariants (28D20) Geodesics in global differential geometry (53C22) Geodesic flows in symplectic geometry and contact geometry (53D25) Ergodic theory (37A99) Dynamical systems of geometric origin and hyperbolicity (geodesic and horocycle flows, etc.) (37D40)

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