1.  Conditional fault diagnosis of bubble sort graphs under the PMC model (with Shuming Zhou, Jian Wang，Xirong Xu). Intelligence Computation and Evolutionary Computation, Advances in Intelligent Systems and Computing, Volume 180, 2013, pp 53-59. Article Full TextPDF(192KB).

2. On Sullivan's conjecture on cycles in 4-free and 5-free digraphs (with Hao Liang). Acta Mathematica Sinica, English Series, 29 (1) (2013), 53-64.  Article Full TextPDF(209KB).

3. The forwarding indices of graphs -- a survey (with Min Xu). Opuscula Mathematica, 33 (2) (2013), 345–372. Article Full TextPDF(454KB).

4. Minimal feedback arc set of m-free digraphs ( with Hao Liang). Information Processing Letters,  113 (8) (2013) 260–264. Article Full TextPDF(305KB).

5. A sufficient condition for digraphs with girth at most 4  (In Chinese, with Hao Liang). Journal of Jilin University, 51 (2) (2013), 241-243. Article Full TextPDF(263KB).

6. Generalized measures of fault tolerance in exchanged hypercubes (with Xiang-Jun Li). Information Processing Letters, 113 (14-16) (2013), 533-537. Article Full TextPDF(174KB).

7. On the Roman bondage number of a graph (with A.Bahremandpour, Fu-Tao Hu, S.M.Sheikholeslami). Discrete Mathematics, Algorithms and Applications, 5 (1) (2013), 1350001(15 pages). Article Full TextPDF(316KB).

8. On bondage numbers of graphs -- a survey with some comments.  International Journal of Combinatorics, vol. 2013, Article ID 595210, 34 pages, 2013. doi:10.1155/2013/595210. Article Full TextPDF(1241KB).