Masao Tsugaki

(津垣正男)

Profile Information

Affiliation: Assistant professor, Faculty of Science and Technology Department of Science and Technology , Seikei University

A spanning tree with at most k leaves in a K1,5-free graph

Pei Sun, Yuan Chen, Masahiro Kimura, Kenta Ozeki, Masao Tsugaki

Discrete Mathematics, 348(6) 114411-114411, Jun, 2025 Peer-reviewed
Hamilton cycles passing through a matching in a bipartite graph with high degree sum

Jun Fujisawa, Masao Tsugaki, Tomoki Yamashita, Takamasa Yashima

Discrete Mathematics, 347(1) 113692-113692, Jan, 2024 Peer-reviewed
A degree condition for cycles passing through specified vertices and edges

Shuya Chiba, Masao Tsugaki, Tomoki Yamashita

Discrete Mathematics, 346(12) 113633-113633, Dec, 2023 Peer-reviewed
A spanning tree with at most k leaves in a K1,p-free graph

Kenta Ozeki, Masao Tsugaki

The Electronic Journal of Combinatorics, 30(4), Nov, 2023 Peer-reviewed
Panconnectivity in Bipartite Graphs with Large Degree sum

Masao Tsugaki, Tomoki Yamashita, Takamasa Yashima

Graphs and Combinatorics, 39(2), Mar 28, 2023 Peer-reviewed