3 papers
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 the fundamental class of non-negative totally balanced games. However, the conditions for their convexity have remained elusive. In this paper, w…
cs.GT2025
On the Approximate Core and Nucleon of Flow Games with Public Arcs
Pengfei Liu, Han Xiao, Tianhang Lu +1
We investigate flow games featuring both private arcs owned by individual players and public arcs accessible cost-free to all coalitions. We explore two solution concepts within th…