Unless specified, all seminars are Wednesday 4-5pm at Room 250.

April 26

The Pierce expansion is another classical representation of a real number. In this talk, I will introduce the error-sum function of Pierce expansions

and discuss the basic properties of the function and the fractal property of the graph of the function.

May 3

Boundary actions of groups and their C*-algebras

of some popular groups that arise in geometric group theory such as right angled Artin groups, right angled Coxeter groups and graph of groups,

and show that the reduced crossed product C*-algebras of these boundary actions are purely infinite. This is a joint work with Xin Ma.

Past Analysis Seminar