报告题目：Wigner-Type Theorem on transition probability  

preserving maps in semifinite factors

报 告 人： 袁巍， 中国科学院数学与系统科学研究院副研究员

摘    要：The Wigner's theorem, which is one of the cornerstones    

of the mathematical formulation of quantum mechanics, asserts that every symmetry of quantum system is unitary or anti-unitary. This classical result was first given by Wigner in 1931. Thereafter it has been proved and generalized in various ways by many authors. In this talk, I will discuss and describe the  general form of the transition probability preserving (not necessarily bijective) maps between Grassmann spaces of projections in semifinite factors with a fixed trace value.

时   间：  2018年9月15日（星期日）下午14:30-15:30

地   点：  金沙集团wwW3354CC三楼专家接待室