2 papers
math.DG2023
Optimal diameter estimates of three-dimensional Ricci limit spaces
Bo Zhu, Xingyu Zhu
In this note, we prove that positive scalar curvature can pass to three dimensional Ricci limit spaces of non-negative Ricci curvature when it splits off a line. As a corollary, we…
cs.GT2023
Fairness in the Assignment Problem with Uncertain Priorities
Zeyu Shen, Zhiyi Wang, Xingyu Zhu +2
In the assignment problem, a set of items must be allocated to unit-demand agents who express ordinal preferences (rankings) over the items. In the assignment problem with prioriti…