Trapezoids and Deltoids in Wide Planar Point Sets Gy. Elekes Original Paper Open access 14 February 2019 Pages: 569 - 578
Difference Sets Disjoint from a Subgroup Courtney HoaglandStephen P. HumphriesSeth Poulsen Original Paper 23 February 2019 Pages: 579 - 597
Bounds on the Identifying Codes in Trees Hadi RahbaniNader Jafari RadSeyed Masoud MirRezaei Original Paper 20 February 2019 Pages: 599 - 609
Optimal Multiply Constant-weight Codes from Generalized Howell Designs Changyuan WangYanxun ChangTao Feng Original Paper 26 February 2019 Pages: 611 - 632
Special LCD Codes from Peisert and Generalized Peisert Graphs J. D. KeyB. G. Rodrigues Original Paper 26 February 2019 Pages: 633 - 652
Competition Numbers and Phylogeny Numbers: Uniform Complete Multipartite Graphs Yaokun WuYanzhen XiongSoesoe Zaw Original Paper 08 March 2019 Pages: 653 - 667
Critical Kernel Imperfect Problem in Generalizations of Bipartite Tournaments Ruixia Wang Original Paper 22 March 2019 Pages: 669 - 675
A Structure of 1-Planar Graph and Its Applications to Coloring Problems Xin ZhangBei NiuJiguo Yu Original Paper 07 March 2019 Pages: 677 - 688
An Erdős-Gallai type theorem for vertex colored graphs Nika SaliaCasey TompkinsOscar Zamora Original Paper Open access 09 March 2019 Pages: 689 - 694
DP-3-Coloring of Planar Graphs Without 4, 9-Cycles and Cycles of Two Lengths from \(\{6,7,8\}\) Runrun LiuSarah LoebGexin Yu Original Paper 07 March 2019 Pages: 695 - 705
Planar Graphs Without 4-Cycles Adjacent to Triangles are DP-4-Colorable Seog-Jin KimXiaowei Yu Original Paper 14 March 2019 Pages: 707 - 718
Weighted Domination of Independent Sets Ron AharoniIrina Gorelik Original Paper 14 March 2019 Pages: 719 - 727
A Monodromy Graph Approach to the Piecewise Polynomiality of Simple, Monotone and Grothendieck Dessins d’enfants Double Hurwitz Numbers Marvin Anas Hahn Original Paper 09 March 2019 Pages: 729 - 766
On Upper Total Domination Versus Upper Domination in Graphs Enqiang ZhuChanjuan LiuYongsheng Rao Original Paper 06 March 2019 Pages: 767 - 778
The Cyclic Edge-Connectivity of Strongly Regular Graphs Wenqian Zhang Original Paper 05 March 2019 Pages: 779 - 785
On the (Signless) Laplacian Permanental Polynomials of Graphs Shunyi Liu Original Paper 21 March 2019 Pages: 787 - 803