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Flip-connectivity of triangulations of the product of a tetrahedron and simplex

A flip is a minimal move between two triangulations of a polytope. An open question is whether any two triangulations of the product of two simplices can be connected through a series of flips. This was proven in the case where one of the simplices is a triangle by Santos in 2005. In this paper we extend this to when one of the simplices is a tetrahedron.

preprint2016arXivOpen access
Gaku Liu
math.CO
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Gaku Liu

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