118 citations · 220 across the 30 of their papers we have counts for
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math.CO2012★ 118 cited
The diameter of associahedra
Lionel Pournin
It is proven here that the diameter of the d-dimensional associahedron is 2d-4 when d is greater than 9. Two maximally distant vertices of this polytope are explicitly described as…
math.MG2012★ 3 cited
The flip-graph of the 4-dimensional cube is connected
Lionel Pournin
Flip-graph connectedness is established here for the vertex set of the 4-dimensional cube. It is found as a consequence that this vertex set has 92 487 256 triangulations, partitio…