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econ.TH2026
Flow Games with Public Arcs: the Least Core and the Nucleolus
Tianhang Lu, Han Xiao, Qizhi Fang
We study flow games with public arcs, an extension of classical cooperative flow games that allows players to use public resources. In these games, a coalition corresponds to a set…
cs.GT2026
A Complete Characterization of Convexity in Flow Games
Han Xiao, Luying Zhang, Qizhi Fang
Flow games coincide precisely with non-negative totally balanced games. We give a complete characterization of convexity for flow games with one arc per player. We prove that such…