Discrete Mathematics Seminar

Discrete Math Seminar Schedule for Fall 2025:

A TERM 2025

• Tuesdays 4:00-4:50pm, Room OH126, Olin Hall



• 26 August: Sam Adriaensen, WPI and Vrie U Brussels, "Hat guessing games on graphs"
  

• 2 September: Brigitte Servatius, WPI, "Infinitesimal Projective Transformations"
  

• 9 September: Bill Martin, WPI, "On the nearest neighbor graph of a cometric association scheme"
  

• 16 September: Jane Coons, WPI, "Quasi-Independence Models with Rational Maximum Likelihood Estimator"
  

• 23 September: Ralihe Raúl Villagrán Olivas, WPI, "Determinantal ideals, Chip-firing and Zero-forcing number of graphs"
  

• 30 September: Stefano Lia, Umea University, Umea, Sweden, "Some combinatorial and coding theoretic problems in DNA data storage"
  

• 7 October: Alena Ernst, WPI, "An Introduction to the World of Erdős–Ko–Rado Problems"
  

B TERM 2024

• Tuesdays 4:00-4:50pm, Room OH126, Olin Hall



• 21 October: No Seminar
  

• 28 October: Bill Martin, WPI, "Triple intersection numbers and Q-ideals of Paley graphs"
  

• 4 November: No Seminar, WPI Wellness Day
  

• 11 November: Ralihe Raúl Villagrán Olivas, WPI, "TBA"
  Abstract: TBD

• 18 November: TBD, "TBA"
  Abstract: We need a speaker for November 18th.

• 25 November: Thomás Jung Spier, Universidade Federal de Minas Gerais (UFMG), Brazil "Eigenvalues of universal covers"
  Abstract (preliminary): In this talk, we present results and open questions on the spectrum of the universal cover of a graph. We also describe a recent connection between the eigenvalues and the matching polynomial.

• 2 December: Jane Coons, WPI, "Exploring the Space of Graphs with a Fixed Discrete Curvature"
  Abstract: TBD

• 9 December: Speaker TBD, "Title TBA" Likely no seminar last week of term
  Abstract: TBD