Chain Decompositions of $q,t$-Catalan Numbers via Local Chains

Seongjune Han, Kyungyong Lee, Li Li +1

The $q,t$-Catalan number ${\mathrm{Cat}}_n(q,t)$ enumerates integer partitions contained in an $n\times n$ triangle by their dinv and external area statistics. The paper [LLL18 (Lee,…