User:Tian Han

I am a master student in Mathematics in Tianjin Normal University. I am an author of the paper "Joint distributions of statistics over permutations avoiding two patterns of length 3" https://arxiv.org/abs/2311.02974 co-authored with Professor Sergey Kitaev (https://oeis.org/wiki/User:Sergey_Kitaev

http://personal.strath.ac.uk/sergey.kitaev/index.html).