46 citations · 71 across the 14 of their papers we have counts for
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math.CO2014
A rigidity property of ribbon L-shaped n-ominoes and generalizations
Viorel Nitica
Let n integer greater or equal to 4 and even and let T_n be the set of ribbon L-shaped n-ominoes. We study tiling problems for regions in a square lattice by T_n. Our main result s…
math.MG2014
The Geometric Structure of Max-Plus Hemispaces
Daniel Ehrmann, Zach Higgins, Viorel Nitica
Given a set S endowed with a convexity structure, a hemispace is a convex subset of S which has convex complement. We recall that R^n_{max} is a semimodule over the max-plus semifi…