Ars Combinatoria
Volume CXLII, January, 2019

• Rui Song, Saihua Liu and Jianping Ou, "On the second atom-bond connectivity index of product graphs", pp. 3-11
• Dandan Xu and Haitao Cao, "On the existence of optimal n-dimensional cyclic packings", pp. 13-25
• F. Larrion, M.A. Pizana and R. Villarroel-Flores, "On The Clique Behavior Of Graphs With Small Constant Link", pp. 27-53
• Jiashang Jiang, "A neighborhood condition for all fractional (a,b,k)-critical graphs", pp. 55-63
• S.N. Daoud, "Vertex Odd Graceful Labeling", pp. 65-87
• Hailong Hou, Rui Gu and Yanhua Song, "Endomorphism spectra of fan graphs", pp. 89-99
• Shoufeng Wang, "Every graph is isomorphic to the left Green graph of a semigroup", pp. 101-110
• M. Sebaoui, D. Laissaoui, G. Guettai and M. Rahmani, "On s-Lah Polynomials", pp. 111-118
• Xinlei Wang and Dein Wong, "Nullity of a graph in terms of its domination number", pp. 119-128
• Nayil Kilic, "On Split k-Jacobsthal and k-Jacobsthal-Lucas Quaternions", pp. 129-139
• Huangsheng Yu, Dianhua Wu and Hantao Zhang, "The Existence of Nonelementary Rational Symmetric Diagonally Ordered Magic Square", pp. 141-150
• J. Caceres, M. Morales and M.L. Puertas, "On The Boundary As An x-Geodominating Set In Graphs", pp. 151-157
• Jingjing Huo, Mingchao Li, Yang Cai and Xiaosheng Wang, "Nonisomorphic packings and covering designs of K_v with 10-cycles", pp. 159-174
• Michelle Haver, Kathleen Lee, William McDermott, Alexander Wilson, Wei-Hsuan Yu and Aklilu Zeleke, "Closed Forms of Recursive Polynomials and Applications", pp. 175-195
• Qingfang Wu, Pengli Zhang and Lihua Feng, "Connectivity and spectral radius of graphs", pp. 197-206[
• Shumin Zhang and Chengfu Ye, "Some Vertex-Degree-Based Topological Indices of Graph Operations", pp. 207-219
• Lucyna Trojnar-Spelina and Iwona Wloch, "On a new type of the companion Pell numbers", pp. 221-230
• Jiansheng Cai, Jihui Wang and Jiguo Yu, "Improved upper bound for acyclic chromatic number of graphs", pp. 231-237
• I. Tarawneh, R. Hasni, M.K. Siddiqui and M.A. Asim, "On the edge irregularity strength of disjoint union of certain graphs", pp. 239-249
• Linlin Zhao, Fengsheng Xu and Lihua Zhang, "Solvability analysis for an equienergetic equation produced by two special graphs", pp. 251-264
• J. Prema and V. Vijayalakshmi, "Bipartite Rainbow Ramsey number of some graphs", pp. 265-272
• Yanan Feng, Liwei Zeng and Shuxia Liu, "Two Families of Directed Strongly Regular Graphs and the Full Automorphism Groups", pp. 273-282
• Zhenming Bi, Drake Olejniczak and Ping Zhang, "The s-Bipartite Ramsey Numbers of the Graph K_2,3", pp. 283-291
• Michitaka Furuya and Masanori Takatou, "The number of covers in intersecting families with covering number three", pp. 293-327
• Jian Chang and Hui-Juan Wang, "Total colorings of planar graphs without adjacent 5-cycles", pp. 329-344
• Zhang Rui, Sun Yongqi and Wu Yali, "Extremal Graphs with Girth Nine", pp. 345-356
• Zikai Tang, "On the eccentric connectivity index of trees with given number of branching vertices", pp. 357-367
• Yunxia Zhang, Shuli Zhao and Weihua Yang, "Compenent edge connectivity of BC networks", pp. 369-380
• Min Zhao and Qin Wang, "On the geodetic domination and domination numbers of some Cartesian product graphs", pp. 381-391

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