Huang, Yuanqiu; Ouyang, Zhangdong; Dong, Fengming On the size of matchings in 1-planar graph with high minimum degree. (English) Zbl 1503.05027 SIAM J. Discrete Math. 36, No. 4, 2570-2584 (2022). MSC: 05C10 05C62 05C07 05C35 05C70 PDFBibTeX XMLCite \textit{Y. Huang} et al., SIAM J. Discrete Math. 36, No. 4, 2570--2584 (2022; Zbl 1503.05027) Full Text: DOI arXiv
Ding, Zongpeng; Ouyang, Zhangdong; Huang, Yuanqiu; Dong, Fengming New upper bounds for the crossing numbers of crossing-critical graphs. (English) Zbl 1497.05053 Discrete Math. 345, No. 12, Article ID 113090, 6 p. (2022). MSC: 05C10 05C38 PDFBibTeX XMLCite \textit{Z. Ding} et al., Discrete Math. 345, No. 12, Article ID 113090, 6 p. (2022; Zbl 1497.05053) Full Text: DOI arXiv
Dong, Fengming; Ge, Jun; Ouyang, Zhangdong Express the number of spanning trees in term of degrees. (English) Zbl 1510.05113 Appl. Math. Comput. 415, Article ID 126697, 6 p. (2022). MSC: 05C30 05C05 05C76 PDFBibTeX XMLCite \textit{F. Dong} et al., Appl. Math. Comput. 415, Article ID 126697, 6 p. (2022; Zbl 1510.05113) Full Text: DOI arXiv
Dong, Fengming; Ge, Jun; Gong, Helin; Ning, Bo; Ouyang, Zhangdong; Tay, Eng Guan Proving a conjecture on chromatic polynomials by counting the number of acyclic orientations. (English) Zbl 1521.05054 J. Graph Theory 96, No. 3, 343-360 (2021). MSC: 05C20 05C31 PDFBibTeX XMLCite \textit{F. Dong} et al., J. Graph Theory 96, No. 3, 343--360 (2021; Zbl 1521.05054) Full Text: DOI
Ouyang, Zhangdong; Huang, Yuanqiu; Dong, Fengming; Tay, Eng Guan Zip product of graphs and crossing numbers. (English) Zbl 1521.05171 J. Graph Theory 96, No. 2, 289-309 (2021). MSC: 05C76 05C10 05C62 05C05 PDFBibTeX XMLCite \textit{Z. Ouyang} et al., J. Graph Theory 96, No. 2, 289--309 (2021; Zbl 1521.05171) Full Text: DOI
Ouyang, Zhangdong; Huang, Yuanqiu; Dong, Fengming The maximal 1-planarity and crossing numbers of graphs. (English) Zbl 1471.05028 Graphs Comb. 37, No. 4, 1333-1344 (2021). Reviewer: Juanjo Rué Perna (Barcelona) MSC: 05C10 05C62 PDFBibTeX XMLCite \textit{Z. Ouyang} et al., Graphs Comb. 37, No. 4, 1333--1344 (2021; Zbl 1471.05028) Full Text: DOI
Huang, Yuanqiu; Ouyang, Zhangdong; Dong, Fengming On the sizes of bipartite 1-planar graphs. (English) Zbl 1465.05048 Electron. J. Comb. 28, No. 2, Research Paper P2.22, 17 p. (2021). MSC: 05C10 05C62 PDFBibTeX XMLCite \textit{Y. Huang} et al., Electron. J. Comb. 28, No. 2, Research Paper P2.22, 17 p. (2021; Zbl 1465.05048) Full Text: DOI arXiv
Ouyang, Zhang Dong; Dong, Feng Ming; Zhang, Rui Xue; Tay, Eng Guan Properties of \(\pi\)-skew graphs with applications. (English) Zbl 1464.05129 Acta Math. Sin., Engl. Ser. 37, No. 4, 641-656 (2021). MSC: 05C10 05C62 05C76 PDFBibTeX XMLCite \textit{Z. D. Ouyang} et al., Acta Math. Sin., Engl. Ser. 37, No. 4, 641--656 (2021; Zbl 1464.05129) Full Text: DOI
Ouyang, Zhangdong; Dong, Fengming; Tay, Eng Guan On the skewness of Cartesian products with trees. (English) Zbl 1419.05185 Discrete Appl. Math. 267, 131-141 (2019). MSC: 05C76 05C05 68R10 PDFBibTeX XMLCite \textit{Z. Ouyang} et al., Discrete Appl. Math. 267, 131--141 (2019; Zbl 1419.05185) Full Text: DOI
Dong, Fengming; Ge, Jun; Gong, Helin; Ning, Bo; Ouyang, Zhangdong; Tay, Eng Guan Proving a conjecture on chromatic polynomials by counting the number of acyclic orientations. arXiv:1803.08658 Preprint, arXiv:1803.08658 [math.CO] (2018). MSC: 05C31 05C20 BibTeX Cite \textit{F. Dong} et al., ``Proving a conjecture on chromatic polynomials by counting the number of acyclic orientations'', Preprint, arXiv:1803.08658 [math.CO] (2018) Full Text: DOI arXiv OA License