50 citations · 148 across the 32 of their papers we have counts for
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math.CO2014★ 6 cited
Coincidence among families of mesh patterns
Anders Claesson, Bridget Eileen Tenner, Henning Ulfarsson
Two mesh patterns are coincident if they are avoided by the same set of permutations. In this paper, we provide necessary conditions for this coincidence, which include having the…
math.CO2014
Decomposing labeled interval orders as pairs of permutations
Anders Claesson, Stuart A. Hannah
We introduce ballot matrices, a signed combinatorial structure whose definition naturally follows from the generating function for labeled interval orders. A sign reversing involut…