Efimov Kostantin Sergeevich

Publications in Math-Net.Ru

1. Graphs $\Gamma$ of diameter 4 for which $\Gamma_{3,4}$ is a strongly regular graph with $\mu=4,6$
   
   Ural Math. J., 10:1 (2024),  76–83
2. The Koolen-Park bound and distance-regular graphs without $m$-clavs
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 2022, no. 9,  64–69
3. On distance-regular graphs of diameter $3$ with eigenvalue $\theta= 1$
   
   Ural Math. J., 8:2 (2022),  127–132
4. Automorphisms of a Distance-Regular Graph with Intersection Array $\{30,22,9;1,3,20\}$
   
   Trudy Inst. Mat. i Mekh. UrO RAN, 26:3 (2020),  23–31
5. Distance-regular graph with intersection array $\{27, 20, 7; 1, 4, 21\}$ does not exist
   
   Ural Math. J., 6:2 (2020),  63–67
6. A graph with intersection array {18, 15, 1; 1, 5, 18} is not vertex-symmetric
   
   Trudy Inst. Mat. i Mekh. UrO RAN, 24:3 (2018),  62–67
7. Automorphisms of a distance-regular graph with intersection array $\{39,36,4;1,1,36\}$
   
   Ural Math. J., 4:2 (2018),  69–78
8. On automorphisms of a distance-regular graph with intersection array $\{99,84,30;1,6,54\}$
   
   Diskr. Mat., 29:1 (2017),  10–16
9. Automorphisms of the $AT4(6,6,3)$-graph and its strongly-regular graphs
   
   J. Sib. Fed. Univ. Math. Phys., 10:3 (2017),  271–280
10. Automorphisms of an $AT4(4,4,2)$-graph and of the corresponding strongly regular graphs
    
    Trudy Inst. Mat. i Mekh. UrO RAN, 23:4 (2017),  119–127
11. Automorphisms of distance-regular graph with intersection array $\{25,16,1;1,8,25\}$
    
    Ural Math. J., 3:1 (2017),  27–32
12. Automorphisms of a distance-regular graph with intersection array $\{100,66,1;1,33,100\}$
    
    Sib. Èlektron. Mat. Izv., 12 (2015),  795–801
13. Classification of amply regular graphs with $b_1=6$
    
    Trudy Inst. Mat. i Mekh. UrO RAN, 18:3 (2012),  90–98
14. On completely regular graphs with $k=11, $ $\lambda=4$
    
    Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, 154:2 (2012),  83–92
15. On automorphisms of a strongly regular graph $(75,32,10,16)$
    
    Sib. Èlektron. Mat. Izv., 7 (2010),  1–13
16. On amply regular graphs with $k=10$, $\lambda=3$
    
    Trudy Inst. Mat. i Mekh. UrO RAN, 16:2 (2010),  75–90
17. Amply Regular Graphs with $b_1=6$
    
    J. Sib. Fed. Univ. Math. Phys., 2:1 (2009),  63–77
18. Completely regular graphs with $\mu\le k-2b_1+3$
    
    Tr. Inst. Mat., 16:1 (2008),  28–39