12 citations · 37 across the 22 of their papers we have counts for
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math.OC2017★ 3 cited
The quadratic M-convexity testing problem
Yuni Iwamasa
M-convex functions, which are a generalization of valuated matroids, play a central role in discrete convex analysis. Quadratic M-convex functions constitute a basic and important…
cs.DM2017★ 2 cited
Discrete Convexity in Joint Winner Property
Yuni Iwamasa, Kazuo Murota, Stanislav Zivny
In this paper, we reveal a relation between joint winner property (JWP) in the field of valued constraint satisfaction problems (VCSPs) and M-convexity in the field of…