The Steiner Problem for Count Matroids. - Tibor Jordán; Yusuke Kobayashi 001; Ryoga Mahara; Kazuhisa Makino (IWOCA, 2020)

Reconfiguration of the Union of Arborescences. - Yusuke Kobayashi 001; Ryoga Mahara; Tamás Schwarcz (ISAAC, 2023)

Existence of EFX for two additive valuations. - Ryoga Mahara (Discret. Appl. Math., 2023)

Position Fair Mechanisms Allocating Indivisible Goods. - Ryoga Mahara; Ryuhei Mizutani; Taihei Oki; Tomohiko Yokoyama (CoRR, 2024)

A Polynomial-Time Algorithm for Fair and Efficient Allocation with a Fixed Number of Agents. - Ryoga Mahara (CoRR, 2024)

Extension of Additive Valuations to General Valuations on the Existence of EFX. - Ryoga Mahara (Math. Oper. Res., 2024)

Proportional Allocation of Indivisible Goods up to the Least Valued Good on Average. - Yusuke Kobayashi 001; Ryoga Mahara (SIAM J. Discret. Math., 2025)

EFX allocations for indivisible chores: Matching-based approach. - Yusuke Kobayashi 001; Ryoga Mahara; Souta Sakamoto (Theor. Comput. Sci., 2025)

Existence of Fair and Efficient Allocation of Indivisible Chores. - Ryoga Mahara (CoRR, 2025)