2 papers
cs.CE2023
EFX Allocations Exist for Binary Valuations
Xiaolin Bu, Jiaxin Song, Ziqi Yu
We study the fair division problem and the existence of allocations satisfying the fairness criterion envy-freeness up to any item (EFX). The existence of EFX allocations is a majo…
math.DS2022
The structure of pointwise recurrent expansive homeomorphisms
Enhui Shi, Hui Xu, Ziqi Yu
Let be a compact metric space and let be a homeomorphism on . We show that if is both pointwise recurrent and expansive, then the dynamical system $(X…