p-Adic Roots of Chromatic Polynomials Paul Buckingham Original Paper 27 April 2020 Pages: 1111 - 1130
Harmonic Index t-Designs in the Hamming Scheme for Arbitrary q Makoto TagamiRyota Hori Original Paper 11 April 2020 Pages: 1093 - 1109
Circular Zero-Sum r-Flows of Regular Graphs Saieed AkbariAmir Hossein GhodratiMohammad Ali Nematollahi Original Paper 11 April 2020 Pages: 1079 - 1092
Degree Sequence Conditions for Maximally Edge-Connected and Super Edge-Connected Hypergraphs Shuang ZhaoYingzhi TianJixiang Meng Original Paper 11 April 2020 Pages: 1065 - 1078
Packing and Covering Directed Triangles Jessica McDonaldGregory J. PuleoCraig Tennenhouse Original Paper 11 April 2020 Pages: 1059 - 1063
Flag-Transitive Block Designs and Finite Simple Exceptional Groups of Lie Type Seyed Hassan Alavi Original Paper 09 April 2020 Pages: 1001 - 1014
Regular and Vertex-Transitive Kähler Graphs Having Commutative Principal and Auxiliary Adjacency Operators Toshiaki AdachiGuanyuan Chen Original Paper 06 April 2020 Pages: 933 - 958
Rectilinear Crossings in Complete Balanced d-Partite d-Uniform Hypergraphs Rahul GangopadhyaySaswata Shannigrahi Original Paper 03 April 2020 Pages: 905 - 911
Hamiltonian Cycle Properties in k-Extendable Non-bipartite Graphs with High Connectivity Zhiyong GanDingjun LouYanping Xu Original Paper 03 April 2020 Pages: 1043 - 1058
On Near Polygons All Whose Hexes are Dual Polar Spaces Bart De Bruyn Original Paper 02 April 2020 Pages: 1015 - 1041
On the Connectivity and Independence Number of Power Graphs of Groups Peter J. CameronSayyed Heidar Jafari Original Paper Open access 31 March 2020 Pages: 895 - 904
Every 4-Equivalenced Association Scheme is Frobenius Bora Moon Original Paper 28 March 2020 Pages: 401 - 414
Partially Broken Orientations of Eulerian Plane Graphs Gen KawataniYusuke Suzuki Original Paper 27 March 2020 Pages: 767 - 777
Optimal Pebbling Number of the Square Grid Ervin GyőriGyula Y. KatonaLászló F. Papp Original Paper Open access 24 March 2020 Pages: 803 - 829
Hadwiger Numbers of Self-complementary Graphs Andrei PavelescuElena Pavelescu Original Paper 21 March 2020 Pages: 865 - 876
Packing Tree Degree Sequences Aravind GollakotaWill HardtIstván Miklós Original Paper Open access 20 March 2020 Pages: 779 - 801
Exact Values of Multicolor Ramsey Numbers \(R_l(C_{\le l+1})\) Weiguo ZhuYongqi SunHanshuo Zhang Original Paper 19 March 2020 Pages: 839 - 852
Maximum Modulus of Independence Roots of Graphs and Trees Jason I. BrownBen Cameron Original Paper 17 March 2020 Pages: 877 - 894
On Restricted Colorings of \(\text{(d,s)}\)-Edge Colorable Graphs Lan Anh Pham Original Paper Open access 17 March 2020 Pages: 853 - 864
2-Edge-Colored Chromatic Number of Grids is at Most 9 Janusz Dybizbański Original Paper Open access 11 March 2020 Pages: 831 - 837
Extremal Graphs for Odd-Ballooning of Paths and Cycles Hui ZhuLiying KangErfang Shan Original Paper 09 March 2020 Pages: 755 - 766
Almost-Equidistant Sets Martin BalkoAttila PórPavel Valtr Original Paper Open access 29 February 2020 Pages: 729 - 754
The Chromatic Number of Graphs with No Induced Subdivision of \(K_4\) Guantao ChenYuan ChenQinghai Liu Original Paper 27 February 2020 Pages: 719 - 728
A Note on Singular Edges and Hamiltonicity in Claw-Free Graphs with Locally Disconnected Vertices Zdeněk RyjáčekPetr VránaLiming Xiong Original Paper 26 February 2020 Pages: 665 - 677
Some Multi-Color Ramsey Numbers on Stars versus Path, Cycle or Wheel Longqin Wang Original Paper 22 February 2020 Pages: 515 - 524
Tight Bounds for Illuminating and Covering of Orthotrees with Vertex Lights and Vertex Beacons I. Aldana-GalvánJ. L. Álvarez-RebollarC. Velarde Original Paper 20 February 2020 Pages: 617 - 630
An Explicit Formula Enumerating the Finely Bounded Trees Using Young Tableaux Ayaka Ishikawa Original Paper 20 February 2020 Pages: 607 - 615
Long Cycles Passing Through a Linear Forest Feifei SongShunzhe Zhang Original Paper 19 February 2020 Pages: 639 - 664
Containment: A Variation of Cops and Robber Danny CrytserNatasha KomarovJohn Mackey Original Paper 19 February 2020 Pages: 591 - 605
The Minimum Number of Edges in 4-Critical Digraphs of Given Order Alexandr V. KostochkaMichael Stiebitz Original Paper 15 February 2020 Pages: 703 - 718
A Simple Characterization of Proportionally 2-choosable Graphs Hemanshu KaulJeffrey A. MudrockBenjamin Reiniger Original Paper 15 February 2020 Pages: 679 - 687
Trees with Unique Minimum Semitotal Dominating Sets Teresa W. HaynesMichael A. Henning Original Paper 14 February 2020 Pages: 689 - 702
Extendability and Criticality in Matching Theory R. E. L. AldredMichael D. Plummer Original Paper 13 February 2020 Pages: 573 - 589
Rhombus Tilings of an Even-Sided Polygon and Quadrangulations on the Projective Plane Hiroaki HamanakaAtsuhiro NakamotoYusuke Suzuki Original Paper 13 February 2020 Pages: 561 - 571
Spanning Properties of Theta–Theta-6 Mirela DamianJohn IaconoAndrew Winslow Original Paper 10 February 2020 Pages: 525 - 538
The Average Size of Matchings in Graphs Eric O. D. AndriantianaValisoa Razanajatovo MisanantenainaStephan Wagner Original Paper 08 February 2020 Pages: 539 - 560
Degree Lists and Connectedness are 3-Reconstructible for Graphs with At Least Seven Vertices Alexandr V. KostochkaMina NahviDara Zirlin Original Paper 01 February 2020 Pages: 491 - 501
Twenty Years of Progress of \(\hbox {JCDCG}^3\) Jin AkiyamaHiro ItoYushi Uno Article 01 February 2020 Pages: 181 - 203
Partitioning Infinite Hypergraphs into Few Monochromatic Berge-Paths Sebastián BustamanteJan CorstenNóra Frankl Original Paper Open access 18 January 2020 Pages: 437 - 444
\({\mathrm{TS}}(v,\lambda )\) with Cyclic 2-Intersecting Gray Codes: \(v\equiv 0\) or \(4\pmod {12}\) John AsplundMelissa Keranen Original Paper 18 January 2020 Pages: 415 - 436
Several Extreme Coefficients of the Tutte Polynomial of Graphs Helin GongXian’an JinMengchen Li Original Paper 10 January 2020 Pages: 445 - 457
On the \(\mathrm{PSU}(4,2)\)-Invariant Vertex-Transitive Strongly Regular (216, 40, 4, 8) Graph Dean CrnkovićFrancesco PaveseAndrea Švob Original Paper 09 January 2020 Pages: 503 - 513
N-Flips in Triangulations with Two Odd Degree Vertices Yoshihiro AsayamaRyo MatsukawaAtsuhiro Nakamoto Original Paper 09 January 2020 Pages: 469 - 490
Forbidding Multiple Copies of Forestable Graphs Neal BushawNathan Kettle Original Paper 09 January 2020 Pages: 459 - 467
The Number of Tournaments with the Minimum Number of Upsets Ilhan HaciogluNuri SendilCarlos M. da Fonseca Original Paper 02 January 2020 Pages: 139 - 151
Convex Grabbing Game of the Point Set on the Plane Naoki MatsumotoTomoki NakamigawaTadashi Sakuma Original Paper 02 January 2020 Pages: 51 - 62
Long Paths in Bipartite Graphs and Path-Bistar Bipartite Ramsey Numbers Michitaka FuruyaShun-ichi MaezawaKenta Ozeki Original Paper 21 December 2019 Pages: 167 - 176
Online Coloring a Token Graph Kevin G. MilansMichael C. Wigal Original Paper 17 December 2019 Pages: 153 - 165