activity
20222026
collaborators

6 papers

cs.CC2026

PSPACE-Completeness of Multi-Agent Path Finding for Large Agents

Maichi Zhang, Naoyuki Kamiyama, Kanae Yoshiwatari

Multi-Agent Path Finding for Large Agents (LA-MAPF) is a geometric variant of MAPF in which agents are modeled as disks and conflicts are determined by physical overlap in the unde…

cs.CC2025

Misère Partizan Arc Kayles is PSPACE-complete, even on Planar Graphs

Kyle Burke, Caroline Cashman, Alfie Davies +2

We show that Misère Partizan Arc Kayles is PSPACE-complete on planar graphs via a reduction from Bounded Two-Player Constraint Logic. Furthermore, we show how to embed our gadgets…

math.CO2025

Digraph Yama Nim

Hiyu Inoue, Shun-ichi Kimura, Hikaru Manabe +3

{\sc Yama Nim} is a variant of two piles {\sc Nim}. In this ruleset, the player chosses one of the piles and removes at least two tokens from the pile. In the same move, the player…

cs.DS2024

Parameterized Vertex Integrity Revisited

Tesshu Hanaka, Michael Lampis, Manolis Vasilakis +1

Vertex integrity is a graph parameter that measures the connectivity of a graph. Informally, its meaning is that a graph has small vertex integrity if it has a small separator whos…

cs.DM2023

Turning Tiles is PSPACE-complete

Kanae Yoshiwatari, Hironori Kiya, Koki Suetsugu +2

In combinatorial game theory, the winning player for a position in normal play is analyzed and characterized via algebraic operations. Such analyses define a value for each positio…

cs.DS2022

Winner Determination Algorithms for Graph Games with Matching Structures

Tesshu Hanaka, Hironori Kiya, Hirotaka Ono +1

Cram, Domineering, and Arc Kayles are well-studied combinatorial games. They are interpreted as edge-selecting-type games on graphs, and the selected edges during a game form a mat…