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cs.GT2026
A Matroid Generalization of Weighted Popular Matching: Characterization and Algorithm
Yuni Iwamasa, Yusuke Kobayashi, Ryoga Mahara +1
We study a problem that unifies two major generalizations of popular matchings in the one-sided preference model. In a bipartite graph in which each vertex, or applicant, on one si…
math.CO2026
Towards discrete convex analysis over classical root systems
Yuni Iwamasa
Discrete Convex Analysis (DCA) is a discrete analog of continuous convex analysis, originally proposed as a unified theoretical framework for efficiently solvable combinatorial opt…