activity
20242026
collaborators

11 papers

cs.GT2026

From Cake-Cutting and Necklace-Splitting to Fair Division of Indivisible Items

Max Dupré la Tour, Ayumi Igarashi

We give an existential transfer framework for converting continuous fair division theorems into guarantees for indivisible items arranged on a path. This allows continuous envy-fre…

cs.GT2026

Reforming an Unfair Allocation by Exchanging Goods

Sheung Man Yuen, Ayumi Igarashi, Naoyuki Kamiyama +1

Fairly allocating indivisible goods is a frequently occurring task in everyday life. Given an initial allocation of the goods, we consider the problem of reforming it via a sequenc…

cs.GT2026

Fair Allocation under Conflict Constraints

Sarfaraz Equbal, Rohit Gurjar, Ayumi Igarashi +6

We study the fair allocation of indivisible items subject to conflict constraints. In this framework, the items are represented as the vertices of a graph, with edges corresponding…

cs.GT2026

Fair and efficient allocation of indivisible items under category constraints

Ayumi Igarashi, Frédéric Meunier

We study the problem of fairly allocating indivisible goods and chores under category constraints. Specifically, there are agents and indivisible items which are partitione…

cs.GT2026

Maximin Shares with Lower Quotas

Hirota Kinoshita, Ayumi Igarashi

We study the fair division of indivisible items among agents with heterogeneous additive valuations, subject to lower and upper quotas on the number of items allocated to each…

cs.GT2025

Fair Allocation of Indivisible Goods with Variable Groups

Paul Gölz, Ayumi Igarashi, Pasin Manurangsi +1

We study the fair allocation of indivisible goods with variable groups. In this model, the goal is to partition the agents into groups of given sizes and allocate the goods to the…