About us

Welcome to the home page of the Mathematics Graduate Student Organization (MGSO) at Texas A&M University in College Station. The purpose of this organization is to encourage communication among students, faculty, and staff, and contribute to a rich social life in the department through cultural and scientific dialogue. We would also like to provide an environment where students in the mathematics department can practice their presentation skills as well as view the techniques of others. It is our goal to be a source of support and information for all graduate students.

The main activity of the MGSO is the Graduate Student Seminar. This seminar is for grad students, (largely) by grad students: Volunteer to give a talk!

Seminar: Fall 2017, Thursdays, Blocker 628, 4:00-4:50 PM

Next Talk

Speaker:   Byeongsu Yu  

Title:   Effective Resistance Preserving Isomorphism

Time / Date:   4:00 - 5:00 , October 26


This presentation introduces the concept of an effective resistance and the effective resistance preserving isomorphism between two graphs. Then it shows that every subgraph isomorphism of two trees is the effective resistance preserving isomorphism. Moreover, it introduced a binary operation for two finite connected unweighted graphs G and H, called attaching H to G as a wing. This operation induces the canonical subgraph isomorphism between G and the resultant graph from the operation. For the finite connected unweighted graph G and H, we prove that the canonical subgraph isomorphism is the effective resistance preserving isomorphism up to a scalar.