58 citations · 268 across the 37 of their papers we have counts for
5 papers · 1 filter
The Price of Justified Representation
Edith Elkind, Piotr Faliszewski, Ayumi Igarashi +3
In multiwinner approval voting, the goal is to select -member committees based on voters' approval ballots. A well-studied concept of proportionality in this context is the just…
Justifying Groups in Multiwinner Approval Voting
Edith Elkind, Piotr Faliszewski, Ayumi Igarashi +3
Justified representation (JR) is a standard notion of representation in multiwinner approval voting. Not only does a JR committee always exist, but previous work has also shown thr…
Envy-free division of multi-layered cakes
Ayumi Igarashi, Frédéric Meunier
We study the problem of dividing a multi-layered cake under non-overlapping constraints. This problem, recently proposed by Hosseini et al. (IJCAI, 2020), captures several natural…
Fair and Truthful Mechanism with Limited Subsidy
Hiromichi Goko, Ayumi Igarashi, Yasushi Kawase +5
The notion of \emph{envy-freeness} is a natural and intuitive fairness requirement in resource allocation. With indivisible goods, such fair allocations are unfortunately not guara…
Fair division of graphs and of tangled cakes
Ayumi Igarashi, William S. Zwicker
A tangle is a connected topological space constructed by gluing several copies of the unit interval . We explore which tangles guarantee envy-free allocations of connected…