1. Critical Subgraphs of Schrijver Graphs for the Fractional Chromatic Number

   • Anna Gujgiczer
   • Gábor Simonyi

   Original Paper Open access 10 May 2024 Article: 64

   

2. Weak External Bisections of Regular Graphs

   • Juan Yan
   • Ya-Hong Chen

   Original Paper 07 May 2024 Article: 63

   

3. Almost Intersecting Families for Vector Spaces

   • Yunjing Shan
   • Junling Zhou

   Original Paper 07 May 2024 Article: 62

4. Closed-Form Solution of Conic in Point-Line Enumerative Problem of Conic

   • Yang Guo

   Original Paper 06 May 2024 Article: 61

5. Parameters of Quotient-Polynomial Graphs

   • Allen Herman
   • Roghayeh Maleki

   Original Paper 05 May 2024 Article: 60

6. Ternary Extremal Four-Negacirculant Self-Dual Codes

   • Masaaki Harada
   • Keita Ishizuka
   • Hadi Kharaghani

   Original Paper 02 May 2024 Article: 59

7. Reduced Clique Graphs: A Correction to “Chordal Graphs and Their Clique Graphs”

   • Dillon Mayhew
   • Andrew Probert

   Original Paper Open access 24 April 2024 Article: 58

   

8. Extremal Graph Theoretic Questions for q-Ary Vectors

   • Balázs Patkós
   • Zsolt Tuza
   • Máté Vizer

   Original Paper Open access 24 April 2024 Article: 57

   

9. Semi-strict Chordality of Digraphs

   • Jing Huang
   • Ying Ying Ye

   Original Paper 17 April 2024 Article: 56

   

10. Computing the Number and Average Size of Connected Sets in Planar 3-Trees

    • Zuwen Luo
    • Kexiang Xu

    Original Paper 17 April 2024 Article: 55

    

11. Gallai–Ramsey Multiplicity

    • Yaping Mao

    Original Paper 14 April 2024 Article: 54

12. Minimal Obstructions for Polarity, Monopolarity, Unipolarity and (s, 1)-Polarity in Generalizations of Cographs

    • Fernando Esteban Contreras-Mendoza
    • César Hernández-Cruz

    Original Paper Open access 09 April 2024 Article: 53

    

13. Stability of Generalized Turán Number for Linear Forests

    • Yisai Xue
    • Yichong Liu
    • Liying Kang

    Original Paper 08 April 2024 Article: 52

    

14. On the Existence of Small Strictly Neumaier Graphs

    • Aida Abiad
    • Maarten De Boeck
    • Sjanne Zeijlemaker

    Original Paper Open access 08 April 2024 Article: 51

    

15. A Matrix for Counting Paths in Acyclic Colored Digraphs

    • Sudip Bera

    Original Paper 08 April 2024 Article: 50

    

16. The primality graph of critical 3-hypergraphs

    • Abderrahim Boussaïri
    • Brahim Chergui
    • Mohamed Zaidi

    Original Paper 06 April 2024 Article: 49

17. On the Edge-Erdős–Pósa Property of Ladders

    • Raphael Steck
    • Arthur Ulmer

    Original Paper Open access 05 April 2024 Article: 48

    

18. Walk Domination and HHD-Free Graphs

    • Silvia B. Tondato

    Original Paper 05 April 2024 Article: 47

    

19. Planar Graphs with the Maximum Number of Induced 4-Cycles or 5-Cycles

    • Michael Savery

    Original Paper Open access 05 April 2024 Article: 46

    

20. Path Saturation Game on Six Vertices

    • Paul Balister
    • Ali Dogan

    Original Paper 03 April 2024 Article: 45

    

21. Using Euler’s Formula to Find the Lower Bound of the Page Number

    • Bin Zhao
    • Peng Li
    • Yuepeng Zhang

    Original Paper 03 April 2024 Article: 44

    

22. Removable Edges in Claw-Free Bricks

    • Xiaoxia Wu
    • Fuliang Lu
    • Lianzhu Zhang

    Original Paper 02 April 2024 Article: 43