$e$-Positivity Results and Conjectures

Adriano M. Garsia, James Haglund, Dun Qiu +1

In a 2016 ArXiv posting F. Bergeron listed a variety of symmetric functions $G[X;q]$ with the property that $G[X;1+q]$ is $e$-positive. A large subvariety of his examples could be…