讲座人简介:
李磊,南开大学数学学院教授,曾在台湾中山大学做博士后研究员,在英国玛丽女王大学做访问学者。在JOT, Israel J. Math., Studia Math, Proc. Amer. Math.Social.等期刊发表论文30余篇。
讲座简介:
I will consider maps preserving different means in the positive definite cone of C*-algebras and show that such maps can extend to be Jordan *-isomorphisms. In the commutative cases, I will give the representation of such maps.