Tadashi Sakuma

activity

20122025

most citedPebble Exchange Group of Graphs

1 citations · 1 across the 9 of their papers we have counts for

collaborators

Showing 2019Show all

2 papers · 1 filter

math.CO2019

Stable structure on safe set problems in vertex-weighted graphs

Shinya Fujita, Tadashi Sakuma, Boram Park

Let $G$ be a graph, and let $w$ be a positive real-valued weight function on $V (G)$ . For every subset $S$ of $V (G)$ , let $w (S) = \sum_{v \in S} w (v) .$ A non-empty subset $S \subset V…

cs.DM2019★ 1 cited

Pebble Exchange Group of Graphs

Tatsuoki Kato, Tomoki Nakamigawa, Tadashi Sakuma

A graph puzzle $Puz (G)$ of a graph $G$ is defined as follows. A configuration of $Puz (G)$ is a bijection from the set of vertices of a board graph to the set of vertice…