Search Results - "Makhnev, A"

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  1. 1

    On -Polynomial Shilla Graphs with by Makhnev, A. A., Van, Zh

    Published in Siberian mathematical journal (2023)
    “…A Shilla graph is a distance-regular graph of diameter 3 and second eigenvalue . In case divides  put . Furthermore, and  has the intersection array . Belousov…”
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    Journal Article
  2. 2

    Automorphisms of a Distance Regular Graph with Intersection Array by Makhnev, A. A.

    Published in Mathematical Notes (2021)
    “…A. A. Makhnev and M. S. Nirova found the intersection arrays of distance regular graphs with and at most 4096 vertices. For graphs of diameter , of most…”
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    Journal Article
  3. 3

    On Automorphisms of a Graph with Intersection Array $ \{44,30,9;1,5,36\} by Isakova, M. M., Makhnev, A. A., Chen, M.

    Published in Siberian mathematical journal (01-11-2024)
    “…Given a set of the automorphisms of a graph , let be the set of all vertices of fixed by each automorphism in . There are exactly 7 admissible intersection…”
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    Journal Article
  4. 4

    On Graphs in Which the Neighborhoods of Vertices Are Edge-Regular Graphs without 3-Claws by Chen, M., Makhnev, A. A., Nirova, M. S.

    “…The triangle-free Krein graph Kre 𝑟 is strongly regular with parameters . The existence of such graphs is known only for 𝑟 1 (the complement of the Clebsch…”
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    Journal Article Conference Proceeding
  5. 5

    The graph Kre(4) does not exist by Makhnev, A. A.

    Published in Doklady. Mathematics (01-07-2017)
    “…Suppose that a strongly regular graph Γ with parameters ( v , k , λ, μ) has eigenvalues k , r , and s . If the graphs Γ and Γ ¯ are connected, then the…”
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  6. 6

    On Distance-Regular Graphs of Diameter With Eigenvalue by Makhnev, A. A., Belousov, I. N.

    Published in Siberian advances in mathematics (2023)
    “…For a distance-regular graph of diameter , the graph can be strongly regular only if either or . For the case in which is strongly regular, Koolen and his…”
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    Journal Article
  7. 7

    Inverse Problems in the Class of Distance-Regular Graphs of Diameter 4 by Makhnev, A. A., Paduchikh, D. V.

    “…For a distance-regular graph  Γ of diameter  4 , the graph Δ subscript Γ 1 2 can be strongly regular. In this case, the graph subscript Γ 3 4 is strongly…”
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    Journal Article Conference Proceeding
  8. 8

    The Koolen–Park Boundary and Distance-Regular Graphs without m-Claws by Makhnev, A. A., Guo, Wenbin, Efimov, K. S.

    Published in Russian mathematics (01-09-2022)
    “…J.H. Koolen and J. Park found a boundary for the maximum size of the coclique in the neighborhood of a vertex of a distance-regular graph. Using this boundary,…”
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  10. 10

    Automorphisms of a Graph With Intersection Array {nm − 1, nm− n + m − 1, n − m + 1;1, 1, nm− n + m − 1} by Makhnev, A. A., Golubyatnikov, M. P.

    Published in Algebra and logic (01-11-2020)
    “…Automorphisms of a graph with intersection array {nm − 1, nm− n + m − 1, n − m + 1; 1, 1, nm− n + m − 1} are considered…”
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  11. 11

    On the Nonexistence of Distance-Regular Graphs with Intersection Array by Makhnev, A. A., Golubyatnikov, M. P.

    “…We consider -polynomial graphs of diameter . Alongside the infinite series of intersection arrays , the following admissible intersection arrays of -polynomial…”
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  12. 12

    Distance-Regular Graphs of Diameter 3 Without Triangles with c2=2 by Makhnev, A. A., Guo, Wenbin, Efimov, K. S.

    “…Earlier it was proved that some distance-regular graphs of diameter 3 with c 2 = 2 do not exist. Distance-regular graph Γ with intersection array { 17 , 16 ,…”
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  13. 13

    Optical Properties of Linear-Chain Carbon Film Deposited on a Steel Sample by Akashev, L. A., Makhnev, A. A., Kochakov, V. D., Vladimirov, A. P., Druzhinin, A. V.

    Published in Optics and spectroscopy (01-09-2023)
    “…The optical constants of a linear chain carbon (LCC) film in the spectral range from 248 to 1100 nm (1.13–5.0 eV with a step of 0.1 eV) were obtained by the…”
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  14. 14

    Time Resolution and Light Yield of Scintillation Detector Samples for the Time-of-Flight Neutron Detector of the BM@N Experiment by Guber, F. F., Ivashkin, A. P., Karpushkin, N. M., Makhnev, A. I., Morozov, S. V., Serebryakov, D. V.

    “…— A new compact time-of-flight neutron detector is being planned for the identification and energy measurement of neutrons produced in nucleus-nucleus…”
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  15. 15

    The Largest Moore Graph and a Distance-Regular Graph with Intersection Array {55, 54, 2; 1, 1, 54} by Makhnev, A. A., Paduchikh, D. V.

    Published in Algebra and logic (01-09-2020)
    “…We point out possible automorphisms of a distance-regular graph Γ with intersection array {55, 54, 2; 1, 1, 54} and spectrum 55 1 , 7 1617 ,−1 110 ,−8 1408 …”
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  16. 16

    Inverse Problems in the Theory of Distance-Regular Graphs: Dual 2-Designs by Belousov, I. N., Makhnev, A. A.

    “…Let  Γ be a distance-regular graph of diameter 3 with a strongly regular graph  subscript Γ 3 . Finding the parameters of  subscript Γ 3 from the intersection…”
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    Journal Article Conference Proceeding
  17. 17

    On extensions of some block designs by Makhnev, A. A.

    Published in Doklady. Mathematics (01-09-2016)
    “…There are some results concerning t -designs in which the number of points in the intersection of two blocks takes less than t values. For example, if t = 2,…”
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  18. 18

    Antipodal Krein Graphs and Distance-Regular Graphs Close to Them by Makhnev, A. A.

    Published in Doklady. Mathematics (01-05-2020)
    “…An antipodal nonbipartite distance-regular graph Γ of diameter 3 has an intersection array ( ) and eigenvalues k , n , –1, and – m , where n and – m are the…”
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  19. 19

    Electronic Structure and Optical Properties of Heusler Alloy Mn1.5Fe1.5Al by Shreder, E. I., Lukoyanov, A. V., Makhnev, A. A., Kuzmin, Yu. I., Dash, Shubhra, Patra, Ajit K., Vasundhara, M.

    “…Theoretical calculations of the electronic structure and measurements of optical properties of the Heusler alloy Mn 1.5 Fe 1.5 Al have been performed. The…”
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