**Ars Combinatoria****Volume CXI, July, 2013**

**Chao Yang and Jun-Ming Xu**, “Connectivity of lexicographic product and direct product of graphs”, pp. 3-12**Victor Kostyuk and Darren Narayan**, “Maximum Minimal k-rankings of Cycles”, pp. 13-31**Martin Knor and Primoz Potocnik**, “A note on 2-subset-regular self-complementary 3-uniform hypergraphs”, pp. 33-36**Haichao Wang and Erfang Shan**, “Signed total k-domination in graphs”, pp. 37-52**Mustafa Asci and Esref Gurel**, “Gaussian Jacobsthal And Gaussian Jacobsthal Lucas Numbers”, pp. 53-63**Xingchao Deng and Jixiang Meng**, “The Diameters of Almost All Bi-Cayley Graphs”, pp. 65-74**Zemin Jin and Lifen Li**, “Edge-colorings of complete bipartite graphs without large rainbow trees”, pp. 75-84**Allan Frendrup, Anders Sune Pedersen, Alexander A. Sapozhenko and Preben Dahl Vestergaard**, “Merrifield-Simmons index and minimum Number of Independent Sets in Short Trees”, pp. 85-95**Abdollah Khodkar, B.P. Mobaraky and S.M. Sheikholeslami**, “Roman domination subdivision number of a graph and its complement”, pp. 97-106**Yunsheng Zhang, Yichao Chen and Yanpei Liu**, “On The Average Crosscap Number Of A Graph”, pp. 107-127**P. Jeyanthi and P. Selvagopal**, “Some C_{4}-supermagic graphs”, pp. 129-136**Hongxue Song**, “Asymptotic upper bounds for K_{1,m,k}complete graph Ramsey Numbers”, pp. 137-144**S. Akbari and S. Zare**, “Multicolored Spanning Subgraphs in G-Colorings of Complete Graphs”, pp. 145-159**Refik Keskin and Bahar Demirturk**, “Solutions of Some Diophantine Equations Using Generalized Fibonacci and Lucas Sequences”, pp. 161-179**Christian Lowenstein, Dieter Rautenbach and Friedrich Regen**, “Chiraptophobic Cockroaches evading a Torch Light”, pp. 181-192**Meng-Xiao Yin and Jian-Hua Yin**, “A Characterization on Potentially K_{6}-E(K_{3})-graphic Sequences”, pp. 193-206**Anita Pasotti**, “On d-graceful labelings”, pp. 207-223**Jean-Luc Baril**, “Gray code for permutations with a fixed number of left-to-right minima”, pp. 225-239**Tao Wang, Deming Li and Qing Wang**, “Some classes of antimagic graphs with regular subgraphs”, pp. 241-250**Yuko Sanaka**, “On γ-Labelings Of Complete Bipartite Graphs”, pp. 251-256**Abbas Heydari and Bijan Taeri**, “On the Wiener index of rooted product of graphs”, pp. 257-264**Meirun Chen, Xiaofeng Guo and Shaohui Zhai**, “Total chromatic number of folded hypercubes”, pp. 265-272**Alexander Giffen and Darren B. Parker**, “On Generalizing the “Lights Out” Game and a Generalization of Parity Domination”, pp. 273-288**Yarong Wu, Hailiang Zhang and Bingbing Wang**, “Graphs with fourth largest signless-Laplacian eigenvalue less than two”, pp. 289-303**P.J. Rowley and L.A. Walker**, “Involution fixed sets of the M_{24}maximal 2-local geometry chamber graph”, pp. 305-313**Qing Cui and Lingping Zhong**, “A note on circumferences in k-connected graphs with given independence number”, pp. 315-322**Miloud Mihoubi**, “The role of binomial type sequences in determination identities for Bell polynomials”, pp. 323-337**Shubo Chen, Junfeng Li, Ren Lin and Hong Guo**, “Extremal Wiener-Hosoya Index Of Acyclic Graphs With Short Diameter”, pp. 339-344**Urszula Bednarz, Dorota Brod, Krzysztof Piejko and Andrzej Wloch**, “(k,α_{n-1})-Fibonacci numbers and P_{k}-matchings in multigraphs”, pp. 345-355**Dancheng Lu and Tongsuo Wu**, “Endomorphism monoids of generalized split graphs”, pp. 357-373**Watcharintorn Ruksasakchai and Kittikorn Nakprasit**, “On a conjecture about (k,t)-choosability”, pp. 375-387**Rabia Aktas, Fatma Tasdelen and Nuray Yavuz**, “Bilateral And Bilinear Generating Functions For The Generalized Zernike Or Disc Polynomials”, pp. 389-400**Omar A. AbuGhneim**, “On (64,28,12) Difference Sets”, pp. 401-419**Mukti Acharya and Tarkeshwar Singh**, “Embedding Of Signed Graphs In Graceful Signed Graphs”, pp. 421-426**Lian-Cui Zuo, Bang-Jun Li and Jian-Liang Wu**, “The Vertex Linear Arboricity of a Special Class of Integer Distance Graphs”, pp. 427-444**Xiaowei Ai and Lin Zhang**, “Some new results on the sum of squares of eccentricity in graphs”, pp. 445-451**Xianglan Cao, Litao Guo, Xiaofeng Guo and Jixiang Meng**, “Super connectivity and super arc connectivity of the Mycielskian of a digraph”, pp. 453-461**Lutz Volkmann**, “Smallest regular and almost regular triangle-free graphs without perfect matchings”, pp. 463-472**Yidong Sun, Shuang Wang and Xiao Guan**, “Further Applications Of Hsu’s Summation Formula”, pp. 473-483**Bertran Steinsky**, “Enumeration of Labelled Essential Graphs”, pp. 485-494**I.G. Yero and J.A. Rodriguez-Velazquez**, “Boundary powerful k-alliances in graphs”, pp. 495-504**S. Akbari, D. Kiani, F. Mohammadi and S. Moradi**, “Characterization of M_{3}(2)-graphs”, pp. 505-513**Zhang Rui, Sun Yongqi and Wu Yali**, “On the Four Color Ramsey Numbers for Hexagons”, pp. 515-522