[39] Yujun Yang, D.J. Klein, Two-point resistances and random walks on stellated regular graphs, J. Phys. A: Math. Theor. 52(7) (2019) 775201 (18 pages). [38] Jianxin Wei, Yujun Yang, Xuena Zhu, A characterization of non-isometric binary words, European J. Combin. 78 (2019) 121-133. [37] Yujun Yang, Dong Ye, Inverses of bipartite graphs, Combinatorica, 38(5) (2018) 1251-1263. [36] Yujun Yang, V.R. Rosenfeld, Some spectral invariants of the neighborhood corona of graphs, Discrete Appl. Math. 247 (2018) 300-308. [35] Yujun Yang, Yuliang Cao, Haiyuan Yao, Jing Li, Solution to a conjecture on a Nordhaus-Gaddum type result for the Kirchhoff index, Appl. Math. Comput. 332 (2018) 241-249. [34] Yezhou Wu, Yujun Yang, Dong Ye, A note on median eigenvalues of bipartite graphs, MATCH Commum. Math. Comput. Chem. 80(3) (2018) 853-862. [33] Yujun Yang, A short note on the number of spanning trees of lexicographic product of graphs, J. Combin. Math. Combin. Comput, in press. [32] K.C. Das, Yujun Yang*, Eigenvalues of the resistance-distance matrix of complete multipartite graphs, J. Inequal. Appl. 2017 (2017) 296. [31] Jianxin Wei, Yujun Yang, Guangfu Wang, Infinite families of 2-isometric and not 3-isometric binary words, Theoret. Compute. Sci. 696(5) (2017) 1-10. [30] Dong Ye, Yujun Yang, Bholanath Mandal, Douglas J. Klein, Graph invertibility and median eigenvalues, Linear Alg. Appl. 513 (2017) 304-323. [29] Jianxin Wei, Yujun Yang, Guangfu Wang, The self-concatenation of isometric strings is isometric, Discrete Math. 340 (2017) 1844-1850. [28] K.C. Das, Yujun Yang*, Kexiang Xu, Nordhaus-Gaddum type results for resistance distance-based graph invariants, Discuss. Math. Graph Theory 36 (2016) 695-707. [27] Kexiang Xu, Hongshuang Liu, Yujun Yang, K.C. Das, The minimal Kirchhoff index of graphs with given number of cut vertices, Filomat 30 (2016) 3451-3463. [26] Douglas J. Klein, Yujun Yang, Dong Ye, HOMO-LUMO gaps for sub-graphenic and sub-buckytubic species, Proc. R. Soc. A 471 (2015) 20150183. [25] Yujun Yang, Douglas J. Klein, Resistance distances-based graph invariants of subdivisions and triangulations of graphs, Discrete Appl. Math. 181 (2015) 260-274. [24] Yujun Yang, Douglas J. Klein, A note on the Kirchhoff and additive degree-Kirchhoff indices of graphs, Z. Natur. A 70 (2015) 459-463. [23] Yujun Yang, Douglas J. Klein, Resistance distances in composite graphs, J. Phys. A: Math. Theor. 47 (2014) 375203. [22] Yujun Yang, Some bounds for the Kirchhoff index of graphs, Abstract and Applied Analysis, Volume 2014, Article ID 794781, 7 pages. [21] Yujun Yang, Computing the Kirchhoff index of some xyz-transformations of regular molecular graphs, Lecture Notes in Computer Science, 8588 (2014) 173–183. [20] Yujun Yang, Douglas J. Klein, Comparison theorems on resistance distances and Kirchhoff indices of S, T-isomers, Discrete Appl. Math., 175 (2014) 87–93. [19] Yujun Yang, On a new cyclicity measure of graphs--the global cyclicity index, Discrete Appl. Math. 172 (2014) 88-97. [18] Yujun Yang, Relations between resistance distances of a graph and its complement or its contraction, Croat. Chem. Acta 87(1) (2014) 61–68. [17] Yujun Yang, The Kirchhoff index of subdivisions of graphs, Discrete Appl. Math. 171 (2014) 153-157. [16] Yujun Yang, Yan Wang, Yi Li, The global cyclicity index of benzenoid chains, J. Chem. 2013 (2013) Article ID 483962, 5 pages. [15] Yujun Yang, An identity on resistance distances, Adv. Mater. Res. 748 (2013) 1024–1027. [14] Yujun Yang, Douglas J. Klein, A recursion formula for resistance distances and its applications, Discrete Appl. Math. 161 (2013) 2702–2715. [13] Yujun Yang, Simple random walks on wheel graphs, Appl. Math. Inform. Sci. 6(1S) (2012) 123–128. [12] Yujun Yang, Computing the Kirchhoff index of linear phenylenes, J. Combin. Math. Combin. Comput. 81 (2012) 199–208. [11] Yujun Yang, Bounds for the Kirchhoff index of bipartite graphs, J. Appl. Math. 2012 (2012) Article ID 195242, 9 pages. [10] Yujun Yang, Resistance distances and the global cyclicity index of fullerene graphs, Dig. J. Nanomater. Bios. 7 (2012) 593–598. [9] Yujun Yang, Heping Zhang, D.J. Klein, New Nardhaus-Gaddum-type results for the Kirchhoff index, J. Math. Chem. 49(8) (2011) 1587-1598. [8] Heping Zhang, Yujun Yang, Chuanwen Li, Kirchhoff index of composite graphs, Discrete Appl. Math. 107 (13) (2009) 2918–2927. [7] Heping Zhang, Xiaoyan Jiang, Yujun Yang, Bicyclic graphs with extremal Kirchhoff index, MATCH Commun. Math. Comput. Chem. 61(3) (2009) 697–712. [6] Chuanwen Li, Yujun Yang, Heping Zhang, Kirchhoff index of weighted wheel graph Wn(a,b), J. Lanzhou Uni. (Nat. Sci.), 44(3) (2008) 100–101. (in Chinese) [5] Yujun Yang, Heping Zhang, Some rules on resistance distance with applications, J. Phys. A: Math. Theor. 41 (2008) 445203. [4] Yujun Yang, Xiaoyan Jiang, Unicyclic graphs with extremal Kirchhoff index, MATCH Commun. Math. Comput. Chem. 60(1) (2008) 107–120. [3] Yujun Yang, Heping Zhang, Kirchhoff index of linear hexagonal chains, Int. J. Quantum Chem. 108 (2008) 503–512. [2] Heping Zhang, Yujun Yang, Resistance distance and Kirchhoff index in circulant graphs, Int. J. Quantum Chem. 107(2) (2007) 330–339. [1] Heping Zhang, Shoujun Xu, Yujun Yang, Wiener index of toroidal polyhexes, MATCH Commun. Math. Comput. Chem. 56(1) (2006) 153–168. |
