54 citations · 123 across the 39 of their papers we have counts for
Showing 2016 · math.OCShow all
2 papers · 2 filters
math.OC2016★ 6 cited
L-convexity on graph structures
Hiroshi Hirai
In this paper, we study classes of discrete convex functions: submodular functions on modular semilattices and L-convex functions on oriented modular graphs. They were introduced b…
math.OC2016★ 1 cited
A compact representation for minimizers of -submodular functions
Hiroshi Hirai, Taihei Oki
A -submodular function is a generalization of submodular and bisubmodular functions. This paper establishes a compact representation for minimizers of a -submodular function…