10 citations · 42 across the 17 of their papers we have counts for
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Permutations sortable by deques and two stacks in parallel share the same growth rate
Andrew Elvey Price
Recently Albert and Bousquet-Mélou obtained the solution to the long-standing problem of the enumeration of permutations sortable by two stacks in parallel (2sip). Their solution w…
Compacted binary trees admit a stretched exponential
Andrew Elvey Price, Wenjie Fang, Michael Wallner
A compacted binary tree is a directed acyclic graph encoding a binary tree in which common subtrees are factored and shared, such that they are represented only once. We show that…
Eulerian orientations and the six-vertex model on planar map
Mireille Bousquet-Mélou, Andrew Elvey Price, Paul Zinn-Justin
We address the enumeration of planar 4-valent maps equipped with an Eulerian orientation by two different methods, and compare the solutions we thus obtain. With the first method w…