报告地点：行健楼505
邀请人：周效尧副教授
摘要： In this talk, we introduce Pesin-Pitskel's pressure for fixed-point free flows. By proving an result about ergodic approximation for flows, we establish variational principles for $P(\varphi, \mathcal{L}(Z))$ and $P(\varphi, G_\mu)$. A Billingsley type theorem for pressure is also given.
