On Ramsey Numbers \(R(K_4-e, K_t)\) Yu JiangMeilian LiangXiaodong Xu Original Paper 02 February 2021 Pages: 651 - 661
Induced Nets and Hamiltonicity of Claw-Free Graphs Shuya ChibaJun Fujisawa Original Paper 12 February 2021 Pages: 663 - 690
Independent Domination Subdivision in Graphs Ammar BabikirMagda DettlaffMagdalena Lemańska Original Paper Open access 13 March 2021 Pages: 691 - 709
Lagrangian densities of short 3-uniform linear paths and Turán numbers of their extensions Biao WuYuejian Peng Original Paper 08 February 2021 Pages: 711 - 729
On \(K_{2,t}\)-Bootstrap Percolation Mohammadreza BidgoliAli MohammadianBehruz Tayfeh-Rezaie Original Paper 18 March 2021 Pages: 731 - 741
On 3-Bisections in Cubic and Subcubic Graphs Davide MattioloGiuseppe Mazzuoccolo Original Paper 27 January 2021 Pages: 743 - 746
Simultaneous Embedding of Colored Graphs Debajyoti Mondal Original Paper 24 January 2021 Pages: 747 - 760
Matching Numbers and Dimension of Edge Ideals Ayana HiranoKazunori Matsuda Original Paper 30 January 2021 Pages: 761 - 774
Weakly Protected Points in Ordered Trees Lin YangSheng-Liang Yang Original Paper 24 January 2021 Pages: 775 - 788
On L-Close Sperner Systems Dániel T. NagyBalázs Patkós Original Paper Open access 12 February 2021 Pages: 789 - 796
Closure and Spanning Trees with Bounded Total Excess Shun-ichi MaezawaMasao TsugakiTakamasa Yashima Original Paper 24 February 2021 Pages: 805 - 822
Making a Tournament Indecomposable by One Subtournament-Reversal Operation Houmem BelkhechineCherifa Ben Salha Original Paper 26 February 2021 Pages: 823 - 838
Toughness, Forbidden Subgraphs and Pancyclicity Wei ZhengHajo BroersmaLigong Wang Original Paper Open access 19 February 2021 Pages: 839 - 866
Affine Planes and Transversals in 3-Uniform Linear Hypergraphs Michael A. HenningAnders Yeo Original Paper 13 March 2021 Pages: 867 - 890
On Line Colorings of Finite Projective Spaces Gabriela Araujo-PardoGyörgy KissAdrián Vázquez-Ávila Original Paper 09 March 2021 Pages: 891 - 905
Peg Solitaire on Cartesian Products of Graphs Martin KrehJan-Hendrik de Wiljes Original Paper Open access 11 March 2021 Pages: 907 - 917
The Lower and Upper Bounds of Turán Number for Odd Wheels Byeong Moon KimByung Chul SongWoonjae Hwang Original Paper 10 March 2021 Pages: 919 - 932
The Relation Between Hamiltonian and 1-Tough Properties of the Cartesian Product Graphs Louis KaoChih-wen Weng Original Paper 10 March 2021 Pages: 933 - 943
A Characterization for Graphs Having Strong Parity Factors Hongliang LuZixuan YangXuechun Zhang Original Paper 10 March 2021 Pages: 945 - 949
Strong Subgraph Connectivity of Digraphs Yuefang SunGregory Gutin Original Paper Open access 18 March 2021 Pages: 951 - 970
Domination for Latin Square Graphs Behnaz PahlavsayElisa PalezzatoMichele Torielli Original Paper 29 March 2021 Pages: 971 - 985
Half-Arc-Transitive Graphs and the Fano Plane Martin MačajPrimož Šparl Original Paper 22 March 2021 Pages: 987 - 1012
The Edge-Connectivity of Token Graphs J. Leaños Christophe Ndjatchi Original Paper 25 March 2021 Pages: 1013 - 1023
Anti-Ramsey Number of Triangles in Complete Multipartite Graphs Zemin JinKangyun ZhongYuefang Sun Original Paper 26 March 2021 Pages: 1025 - 1044
Rainbow Monochromatic k-Edge-Connection Colorings of Graphs Ping LiXueliang Li Original Paper 27 March 2021 Pages: 1045 - 1064
Shifted-Antimagic Labelings for Graphs Fei-Huang ChangHong-Bin ChenZhishi Pan Original Paper 30 March 2021 Pages: 1065 - 1082
The Conjecture on the Crossing Number of \(K_{1,m,n}\) is true if Zarankiewicz’s Conjecture Holds Xiwu YangYizhen Wang Original Paper 05 April 2021 Pages: 1083 - 1088
The Weisfeiler–Leman Dimension of Chordal Bipartite Graphs Without Bipartite Claw Ilia PonomarenkoGrigory Ryabov Original Paper 25 March 2021 Pages: 1089 - 1102
A New Result on Spectral Radius and Maximum Degree of Irregular Graphs Wenqian Zhang Original Paper 03 April 2021 Pages: 1103 - 1119
A Note on Spectral Radius and Maximum Degree of Irregular Graphs Rongquan FengWenqian Zhang Original Paper 05 April 2021 Pages: 1121 - 1127
Edge-Colored Complete Graphs Containing No Properly Colored Odd Cycles Tingting HanShenggui ZhangRuonan Li Original Paper 04 April 2021 Pages: 1129 - 1138