4 papers · 1 filter
Likelihood of the Existence of Average Justified Representation
Qishen Han, Biaoshuai Tao, Lirong Xia +2
We study the approval-based multi-winner election problem where voters jointly decide a committee of winners from candidates. We focus on the axiom \emph{average justif…
Aggregating Information and Preferences with Bounded-Size Deviations
Qishen Han, Grant Schoenebeck, Biaoshuai Tao +1
We investigate a voting scenario with two groups of agents whose preferences depend on a ground truth that cannot be directly observed. The majority's preferences align with the gr…
The Art of Two-Round Voting
Qishen Han, Grant Schoenebeck, Biaoshuai Tao +1
We study the voting problem with two alternatives where voters' preferences depend on a not-directly-observable state variable. While equilibria in the one-round voting mechanisms…
Strong Equilibria in Bayesian Games with Bounded Group Size
Qishen Han, Grant Schoenebeck, Biaoshuai Tao +1
We study the group strategic behaviors in Bayesian games. Equilibria in previous work do not consider group strategic behaviors with bounded sizes and are too ``strong'' to exist i…