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The $H$ -triangle and $F$ -triangle relation for serpent nests
Let $Q$ be a quadrangulation with $n$ inner edges. Let $F_Q(x,y)$ be its $F$ -triangle and let $H_Q(x,y)$ be its $H$ -triangle, defined by … where $\mathrm{SN}_Q$ is the set of serpe…
Conjectureopenenumerative-combinatorics quadrangulations serpent-nestsarXiv posted 2 days ago

The HHH-triangle and FFF-triangle relation for serpent nests