activity
20122023
most citedA lower bound on opaque sets

3 citations · 7 across the 10 of their papers we have counts for

collaborators

10 papers

cs.DS2023

Orientable Burning Number of Graphs

Julien Courtiel, Paul Dorbec, Tatsuya Gima +2

In this paper, we introduce the problem of finding an orientation of a given undirected graph that maximizes the burning number of the resulting directed graph. We show that the pr…

cs.DS2023

Minimum Consistent Subset for Trees Revisited

Hiroki Arimura, Tatsuya Gima, Yasuaki Kobayashi +2

In a vertex-colored graph , a subset is said to be consistent if every vertex has a nearest neighbor in with the same color. The problem of computin…

cs.DS2023

Grouped Domination Parameterized by Vertex Cover, Twin Cover, and Beyond

Tesshu Hanaka, Hirotaka Ono, Yota Otachi +1

A dominating set of graph is called an -grouped dominating set if can be partitioned into such that the size of each unit is and the s…

cs.DS20213 cited

Computing Diverse Shortest Paths Efficiently: A Theoretical and Experimental Study

Tesshu Hanaka, Yasuaki Kobayashi, Kazuhiro Kurita +2

Finding diverse solutions in combinatorial problems recently has received considerable attention (Baste et al. 2020; Fomin et al. 2020; Hanaka et al. 2021). In this paper we study…

cs.DS2014

Reconfiguration of Cliques in a Graph

Takehiro Ito, Hirotaka Ono, Yota Otachi

We study reconfiguration problems for cliques in a graph, which determine whether there exists a sequence of cliques that transforms a given clique into another one in a step-by-st…

cs.CC2014

Computational Complexity of Competitive Diffusion on (Un)weighted Graphs

Takehiro Ito, Yota Otachi, Toshiki Saitoh +6

Consider an undirected graph modeling a social network, where the vertices represent users, and the edges do connections among them. In the competitive diffusion game, each of a nu…