1. On ergodicity of geodesic flows and nondense orbits of certain partially hyperbolic systems Open Access Author: Wu, Weisheng Title: On ergodicity of geodesic flows and nondense orbits of certain partially hyperbolic systems Graduate Program: Mathematics Keywords: ErgodicityNonpostive CurvatureNondense orbitsSchmidt gamespartially hyperbolic diffeomorphisms File: Download Wu-Dissertation.pdf Committee Members: Federico Roderiguez Hertz, Dissertation Advisor/Co-AdvisorAnatole Katok, Committee Chair/Co-ChairBoris V Kalinin, Committee MemberMark Strikman, Special Member