Xuzhen XIE


An Improved Algorithm for the Nearly Equitable Edge-Coloring Problem
Xuzhen XIE Takao ONO Shin-ichi NAKANO Tomio HIRATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/05/01
Vol. E87-A  No. 5  pp. 1029-1033
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
nearly equitable edge coloringEuler circuit
 Summary | Full Text:PDF(157.9KB)

On Approximation Algorithms for Coloring k-Colorable Graphs
Xuzhen XIE Takao ONO Tomio HIRATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/05/01
Vol. E86-A  No. 5  pp. 1046-1051
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
graph coloringapproximation algorithmsNP-hardmaximum degree
 Summary | Full Text:PDF(227.3KB)