05C50 Online Seminar: Thomás Jung Spier

  • Date: 10/06/2023
  • Time: 08:00
Thomás Jung Spier, Federal University of Minas Gerais (Brazil)



No perfect state transfer in trees with more than 3 vertices


The adjacency matrix A of a graph G is the Hamiltonian for a continuous-time quantum walk on the vertices of G. If u and v are distinct vertices in G, we say perfect state transfer from u to v occurs if there is a time t such that the (u,v)-entry of exp(iAt) has absolute value 1. In this talk, we show that the only trees that admit perfect state transfer are P_2 and P_3. This is joint work with Gabriel Coutinho and Emanuel Juliano.


A recording of the talk will be shared on the main website. You may email the speaker for their slides.

Other Information: 

The 05C50 Online is an international seminar about graphs and matrices held twice a month on Fridays.


Time: 8AM Pacific/10AM Central 


For more information, visit https://sites.google.com/view/05c50online/home


If you would like to attend, please register using this form to receive the zoom links: https://docs.google.com/forms/d/e/1FAIpQLSdQ98fh58cgeSWzbFe3t77i28FXDck1gYuX9jv_qd4kEf5l_Q/viewform?usp=sf_link