Professor of Mathematics
Carnegie Mellon University,
Wean
6208
National Coach,
USA International Math Olympiad team
USA back-to-back #1's breaking 21 year
gap;
Google News
Founder of LIVE, NOVID, and Expii
Live video math classes
,
videos bringing math to life,
making it possible to moderate Zoom Chat
, and
personalized learning
Research interests:
Combinatorics,
probability, algorithms; real applications
Main webpage for general public
Research / papers
Teaching /
CMU Putnam
21-228 Discrete Mathematics (Spring 2023)
YouTube math channel / 中文
United States
Math Olympiad Program
Computer
hacking