University of Reddit Courses:

We offer free, open-access courses in mathematics through University of Reddit (now defunct), including video instruction, problem sets and solutions, and an online forum. 

Spring 2012: Introduction to Group Theory

Summer 2012: Introduction to Group Representations

Recent Research Talks:

Every May, the CUNY Graduate Center hosts CANT, a weeklong conference on Combinatorial and Additive Number Theory.

March 14, 2017: Young Tableau Seminar Notes

Pdf slides from CANT 2017 (CUNY Graduate Center)

"Clebsch-Gordan coefficients in characteristic zero"

Pdf (Physics background for Clebsch-Gordan coefficients)

Pdf slides from CANT 2018 (CUNY Graduate Center)

"Central Zeros of Clebsch-Gordan coefficients"

Pdf slides from Study Group on Number Theory (March 27, 2019 - CUNY Graduate Center)

"Binomial arrays and generalized Vandermonde arrays"

Pdf slides from CANT 2019 (CUNY Graduate Center)

"The gentle art of 3x3 semi-magic squares"

Pdf slides from Representation Theory Seminar (June 14, 2019 - FAU-Erlangen-Nuremberg)

"The generatingfunctionology of Clebsch-Gordan coefficients"