2 problems

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The $(q,t)$ -enumeration conjecture for rectangular Schröder parking functions
The constant term formula under discussion defines an additional parameter $t$ for the $(m,n)$ -Schröder parking-function enumerator. $(q,t)$ -enumeration conjecture. It corresponds…
Conjectureopenparking-functions q-t-enumeration schroder-pathsarXiv posted 2 days ago
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The touchpoint 4-variable Catalan conjecture
Let $\operatorname{Cat}_{n,r}(q,t,z,w)$ and $\operatorname{Cat}'_{n,r}(q,t,z,w)$ be the refinements of the 4-variable Catalan polynomials obtained by summing over Dyck paths of ord…
Conjectureopendyck-paths schroder-paths symmetric-functionsarXiv posted 2 days ago

The (q,t)(q,t)(q,t)-enumeration conjecture for rectangular Schröder parking functions