Chan, Wai Hong; Shiu, Wai Chee; Sun, Pak Kiu; Zhu, Xuding The strong game colouring number of directed graphs. (English) Zbl 1261.05065 Discrete Math. 313, No. 10, 1070-1077 (2013). MSC: 05C57 05C20 05C15 05C10 PDFBibTeX XMLCite \textit{W. H. Chan} et al., Discrete Math. 313, No. 10, 1070--1077 (2013; Zbl 1261.05065) Full Text: DOI
Yang, Daqing; Zhu, Xuding Game colouring directed graphs. (English) Zbl 1215.05075 Electron. J. Comb. 17, No. 1, Research Paper R11, 19 p. (2010). MSC: 05C15 05C20 05C57 PDFBibTeX XMLCite \textit{D. Yang} and \textit{X. Zhu}, Electron. J. Comb. 17, No. 1, Research Paper R11, 19 p. (2010; Zbl 1215.05075) Full Text: EuDML EMIS
Hell, Pavol; Nešetřil, Jaroslav; Zhu, Xuding Complexity of tree homomorphisms. (English) Zbl 0868.05018 Discrete Appl. Math. 70, No. 1, 23-36 (1996). Reviewer: P.Kirschenhofer (Leoben) MSC: 05C05 68R10 05C15 05C38 PDFBibTeX XMLCite \textit{P. Hell} et al., Discrete Appl. Math. 70, No. 1, 23--36 (1996; Zbl 0868.05018) Full Text: DOI Link
Hell, Pavol; Nešetřil, Jaroslav; Zhu, Xuding Duality and polynomial testing of tree homomorphisms. (English) Zbl 0877.05055 Trans. Am. Math. Soc. 348, No. 4, 1281-1297 (1996). MSC: 05C85 68Q25 05C15 05C20 PDFBibTeX XMLCite \textit{P. Hell} et al., Trans. Am. Math. Soc. 348, No. 4, 1281--1297 (1996; Zbl 0877.05055) Full Text: DOI
Hell, Pavol; Nešetřil, J.; Zhu, Xuding Duality of graph homomorphisms. (English) Zbl 0846.05093 Miklós, D. (ed.) et al., Combinatorics, Paul Erdős is eighty. Vol. 2. Budapest: János Bolyai Mathematical Society. Bolyai Soc. Math. Stud. 2, 271-282 (1996). Reviewer: R.Bodendiek (Kiel) MSC: 05C99 05C05 05C38 05C20 PDFBibTeX XMLCite \textit{P. Hell} et al., Bolyai Soc. Math. Stud. 2, 271--282 (1996; Zbl 0846.05093)
Zhu, Xuding A polynomial algorithm for homomorphisms to oriented cycles. (English) Zbl 0836.68089 J. Algorithms 19, No. 3, 333-345 (1995). MSC: 68R10 68Q25 05C20 05C38 PDFBibTeX XMLCite \textit{X. Zhu}, J. Algorithms 19, No. 3, 333--345 (1995; Zbl 0836.68089) Full Text: DOI
Hell, Pavol; Zhu, Xuding Homomorphisms to oriented paths. (English) Zbl 0819.05030 Discrete Math. 132, No. 1-3, 107-114 (1994). Reviewer: J.Bang-Jensen (Odense) MSC: 05C20 05C38 05C75 05C15 PDFBibTeX XMLCite \textit{P. Hell} and \textit{X. Zhu}, Discrete Math. 132, No. 1--3, 107--114 (1994; Zbl 0819.05030) Full Text: DOI
Hell, Pavol; Zhou, Huishan; Zhu, Xuding Mutiplicativity of oriented cycles. (English) Zbl 0803.05029 J. Comb. Theory, Ser. B 60, No. 2, 239-253 (1994). Reviewer: W.G.Brown (Montreal) MSC: 05C38 05C15 05C20 PDFBibTeX XMLCite \textit{P. Hell} et al., J. Comb. Theory, Ser. B 60, No. 2, 239--253 (1994; Zbl 0803.05029) Full Text: DOI