Approximation Algorithms for Bandwidth Consecutive Multicolorings - (Extended Abstract). - Yuji Obata; Takao Nishizeki (FAW, 2014)

Edge-Colorings of Weighted Graphs - (Extended Abstract). - Yuji Obata; Takao Nishizeki (WALCOM, 2015)

Efficient approximation algorithms for bandwidth consecutive multicolorings of graphs. - Yuji Obata; Takao Nishizeki (Theor. Comput. Sci., 2015)

Generalized edge-colorings of weighted graphs. - Yuji Obata; Takao Nishizeki (Discret. Math. Algorithms Appl., 2016)