Hong, Zhenmu; Volkmann, Lutz; Xu, Junming Sufficient conditions for digraphs to be maximally connected and super-connected. (English) Zbl 1424.05117 J. Univ. Sci. Technol. China 48, No. 8, 612-617 (2018). MSC: 05C20 05C40 PDFBibTeX XMLCite \textit{Z. Hong} et al., J. Univ. Sci. Technol. China 48, No. 8, 612--617 (2018; Zbl 1424.05117) Full Text: DOI
Liang, Hao; Xu, Jun-Ming On Seymour’s second neighborhood conjecture of \(m\)-free digraphs. (English) Zbl 1362.05053 Discrete Math. 340, No. 8, 1944-1949 (2017). MSC: 05C20 PDFBibTeX XMLCite \textit{H. Liang} and \textit{J.-M. Xu}, Discrete Math. 340, No. 8, 1944--1949 (2017; Zbl 1362.05053) Full Text: DOI arXiv
Liang, Hao; Xu, Junming A note on Caccetta-Häggkvist conjecture. (Chinese. English summary) Zbl 1299.05146 Acta Math. Sin., Chin. Ser. 56, No. 4, 479-486 (2013). MSC: 05C20 05C38 PDFBibTeX XMLCite \textit{H. Liang} and \textit{J. Xu}, Acta Math. Sin., Chin. Ser. 56, No. 4, 479--486 (2013; Zbl 1299.05146)
Liang, Hao; Xu, Junming A sufficient condition for digraphs with girth at most 4. (Chinese. English summary) Zbl 1289.05191 J. Jilin Univ., Sci. 51, No. 2, 241-243 (2013). MSC: 05C20 PDFBibTeX XMLCite \textit{H. Liang} and \textit{J. Xu}, J. Jilin Univ., Sci. 51, No. 2, 241--243 (2013; Zbl 1289.05191)
Liang, Hao; Xu, Jun-Ming Minimum feedback arc set of \(m\)-free digraphs. (English) Zbl 1273.05088 Inf. Process. Lett. 113, No. 8, 260-264 (2013). MSC: 05C20 05C38 PDFBibTeX XMLCite \textit{H. Liang} and \textit{J.-M. Xu}, Inf. Process. Lett. 113, No. 8, 260--264 (2013; Zbl 1273.05088) Full Text: DOI arXiv
Liang, Hao; Xu, Jun Ming On Sullivan’s conjecture on cycles in 4-free and 5-free digraphs. (English) Zbl 1260.05069 Acta Math. Sin., Engl. Ser. 29, No. 1, 53-64 (2013). MSC: 05C20 05C38 PDFBibTeX XMLCite \textit{H. Liang} and \textit{J. M. Xu}, Acta Math. Sin., Engl. Ser. 29, No. 1, 53--64 (2013; Zbl 1260.05069) Full Text: DOI
Pan, Xiang-Feng; Ma, Meijie; Xu, Jun-Ming Highly fault-tolerant routings in some Cartesian product digraphs. (English) Zbl 1249.05099 Ars Comb. 98, 461-470 (2011). Reviewer: Přemysl Holub (Plzeň) MSC: 05C12 05C20 05C76 05C38 05C65 68M10 68R10 PDFBibTeX XMLCite \textit{X.-F. Pan} et al., Ars Comb. 98, 461--470 (2011; Zbl 1249.05099)
Hou, Xinmin; Xu, Jun-Ming; Xu, Min The forwarding indices of wrapped butterfly networks. (English) Zbl 1208.68044 Networks 53, No. 4, 329-333 (2009). MSC: 68M10 05C20 90B18 PDFBibTeX XMLCite \textit{X. Hou} et al., Networks 53, No. 4, 329--333 (2009; Zbl 1208.68044) Full Text: DOI
Xu, Jun-Ming; Lü, Min Restricted edge-connectivity of de Bruijn digraphs. (English) Zbl 1224.05276 Ars Comb. 87, 385-392 (2008). MSC: 05C40 05C20 68M10 68M15 PDFBibTeX XMLCite \textit{J.-M. Xu} and \textit{M. Lü}, Ars Comb. 87, 385--392 (2008; Zbl 1224.05276)
Huang, Jia; Xu, Jun-Ming The total domination and total bondage numbers of extended de Bruijn and Kautz digraphs. (English) Zbl 1130.05044 Comput. Math. Appl. 53, No. 8, 1206-1213 (2007). MSC: 05C69 05C20 PDFBibTeX XMLCite \textit{J. Huang} and \textit{J.-M. Xu}, Comput. Math. Appl. 53, No. 8, 1206--1213 (2007; Zbl 1130.05044) Full Text: DOI
Huang, Jia; Xu, Jun-Ming The bondage numbers of extended de Bruijn and Kautz digraphs. (English) Zbl 1133.05041 Comput. Math. Appl. 51, No. 6-7, 1137-1147 (2006). MSC: 05C20 05C69 05C35 PDFBibTeX XMLCite \textit{J. Huang} and \textit{J.-M. Xu}, Comput. Math. Appl. 51, No. 6--7, 1137--1147 (2006; Zbl 1133.05041) Full Text: DOI
Xu, Junming; Lü, Min On restricted arc-connectivity of regular digraphs. (English) Zbl 1098.05051 Taiwanese J. Math. 9, No. 4, 661-670 (2005). Reviewer: M. Hager (Leonberg) MSC: 05C40 05C20 PDFBibTeX XMLCite \textit{J. Xu} and \textit{M. Lü}, Taiwanese J. Math. 9, No. 4, 661--670 (2005; Zbl 1098.05051) Full Text: DOI
Xu, Jun-Ming A sufficient condition for equality of arc-connectivity and minimum degree of a digraph. (English) Zbl 0808.05068 Discrete Math. 133, No. 1-3, 315-318 (1994). Reviewer: A.T.White (Kalamazoo) MSC: 05C40 05C20 PDFBibTeX XMLCite \textit{J.-M. Xu}, Discrete Math. 133, No. 1--3, 315--318 (1994; Zbl 0808.05068) Full Text: DOI
Xu, Junming Local strongly arc-connectivity in regular bipartite digraphs. (English) Zbl 0794.05065 J. Comb. Theory, Ser. B 59, No. 2, 188-190 (1993). MSC: 05C40 05C20 PDFBibTeX XMLCite \textit{J. Xu}, J. Comb. Theory, Ser. B 59, No. 2, 188--190 (1993; Zbl 0794.05065) Full Text: DOI
Xu, Junming An inequality relating the order, maximum degree, diameter and connectivity of a strongly connected digraph. (English) Zbl 0770.05053 Acta Math. Appl. Sin., Engl. Ser. 8, No. 2, 144-152 (1992). MSC: 05C20 05C40 PDFBibTeX XMLCite \textit{J. Xu}, Acta Math. Appl. Sin., Engl. Ser. 8, No. 2, 144--152 (1992; Zbl 0770.05053) Full Text: DOI
Xu, Junming On the strong connectivity of circulant digraphs. (Chinese. English summary) Zbl 0702.05052 Math. Appl. 2, No. 3, 1-4 (1989). MSC: 05C40 05C20 PDFBibTeX XMLCite \textit{J. Xu}, Math. Appl. 2, No. 3, 1--4 (1989; Zbl 0702.05052)