Symmetries, Topology And Resonances In Hamiltonian Mechanics Ergebnisse Der Mathematik Und Ihrer Grenzgebiete. 3. Folge A Series Of Modern Surveys In Mathematic
John Hornstein has written about the author''s theorem on nonintegrability of geodesic flows on closed surfaces of genus greater than one: Here is an example of how differential geometry, differential and algebraic topology, and Newton''s laws make music together (Amer