College of Liberal Arts & Sciences

# Operator Theory Seminar

Speaker:

Daniel Goncalver (UFSC, Brazil)

Topic:

A generalization of shifts of finite type motivated by $C^*$-algebra theory

**Abstract:**

Ultragraphs algebras generalized Exel-Laca and graph algebras. In this talk we describe ultragraphs, their associated edge shift spaces (which generalize SFT for infinite alphabets), and their associated $C^*$-algebras and groupoids. At the end, we present results regarding continuous orbit equivalence and full groups associated to ultragraphs, and describe how to apply these results to graph and Exel-Laca algebras.

Event Date:

March 16, 2021 - 1:30pm to 2:20pm

Location:

Online

Calendar Category:

Seminar

Seminar Category:

Operator Theory