Welcome to Combinatorics and Optimization

The C&O department has 36 faculty members and 60 graduate students. We are intensely research oriented and hold a strong international reputation in each of our six major areas:

Read more about the department's research to learn of our contributions to the world of mathematics!


Sophie Spirkl, an assistant professor of Combinatorics and Optimization, has received a prestigious Sloan Research Fellowship from the Alfred P. Sloan Foundation. Spirkl is one of 125 early career researchers in the United States and Canada who received a Fellowship this year.