A finite simple graph can be described through the lens of a vertex set V paired with a set of edges, E, that's a subset of VxV, or as a square matrix with entries in {0,1}. In the first talk, we will introduce quantum graphs and discuss how they generalize classical graphs. We will see some canonical examples (quantum complete and quantum trivial graphs), and discuss a notion of "quantum edges" that gives rise to a neat Cuntz-Pimsner algebra.
In the second talk, we will relate this Cuntz-Pimsner algebra to the quantum Cuntz-Krieger algebra associated to a quantum graph's quantum adjacency matrix. Basic definitions of Cuntz-Pimsner algebras and Cuntz-Krieger algebras will be provided, so come hungry!
C*-Algebra Seminar
Thursday, February 1 and 8
3:00-4:00pm MST (UTC-7)
ASU Tempe - WXLR 546
Organizers: S. Kaliszewski and Jack Spielberg
Lara Ismert
Assistant Professor of Mathematics
Embry‑Riddle Aeronautical University