"Hiroki Katsumata,Satoshi Tayu","On Three-Directional Orthogonal Ray Cacti","IPSJ SIGAL","IPSJ SIG Technical Report",,"Vol. 2020-AL-3",,,2020,Nov.
"Hiroki Katsumata,Satoshi Tayu,Shuichi Ueno","On the Orthogonal Ray Cacti","2018 IEICE Society Conference","Proceedings of the 2018 IEICE Society Conference",,,"No. A-1-3",,2018,Sept.
"Hiroki Katsumata,Satoshi Tayu,Shuichi UENO","On the Complexity of Finding a Largest Common Subtree of Trees","The 20th Japan Conference on Discrete and Computational Geometry, Graphs, and Games","Lecture Notes in Computer Science",,,,"pp. 125-126",2017,Aug.
"Hiroki Katsumata,Satoshi Tayu,Shuichi UENO","A Note on the Largest Common Subgraph Problem",,"Proceedings of the 2016 IEICE General Conference","Institute of Electronics, Information and Communication Engineers",,"No. A-1-6",,2017,Mar.
"Hiroki Katsumata,Satoshi Tayu,Shuichi UENO","On the Complexity of Finding a Largest Common Subtree of Trees",,"Technical Report of the IEICE","Institute of Electronics, Information and Communication Engineers","Vol. 116","No. 315","pp. 89-92",2016,Nov.