Publications


  1. M.V. Tryamkin, Some Properties of the Modulus of a Family of Curves on an Abstract Surface. Sib Math J (2022) V. 63, No. 3, 548–558. https://doi.org/10.1134/S0037446622030144

  2. M.B. Karmanova, Sub-Lorentzian Coarea Formula for Mappings of Carnot groups. Sib Math J (2022) V. 63, No. 3, 485–508. https://doi.org/10.1134/S0037446622030090

  3. Alexander Mednykh, Ilya Mednykh, Complexity of circulant graphs with non-fixed jumps, its arithmetic properties and asymptotics, ARS MATHEMATICA CONTEMPORANEA (2022), V. 22, No. 3, DOI: https://doi.org/10.26493/1855-3974.2530.e7c

  4. N. Bazhenov, M. Mustafa, S. Ospichev, Rogers semilattices of punctual numberings, Mathematical Structures in Computer Science (2022), https://doi.org/10.1017/S0960129522000093

  5. V. Bardakov, I. Emel'yanenkov, M. Ivanov, T. Kozlovskaya, T. Nasybullov, A. Vesnin, Virtual and universal braid groups, their quotients and representations, Journal of Group Theory (2022),  https://doi.org/10.1515/jgth-2021-0114

  6. Karmanova, M.B. On the Approximability and Parametrization of Preimages of Elements of Carnot Groups on Sub-Lorentzian Structures (2022), Math Notes, V. 111, 152–156. 10.1134/S0001434622010175

  7. Evgeniy Romenski, Galina Reshetova, Ilya Peshkov, Two-phase hyperbolic model for porous media saturated with a viscous fluid and its application to wavefields simulation, Applied Mathematical Modelling (2022), V. 106, 567-600, 10.1016/j.apm.2022.02.021

  8. Nikolay Bazhenov, Dariusz Kalociński, Michał Wrocławski, Intrinsic Complexity of Recursive Functions on Natural Numbers with Standard Order, Leibniz International Proceedings in Informatics (2022), V. 219, 10.4230/LIPIcs.STACS.2022.8

  9. Yongfei Yang, Fugui Liu, Jun Yao, Stefan Iglauer, Mozhdeh Sajjadi, Kai Zhang, Hai Sun, Lei Zhang, Junjie Zhong, Vadim Lisitsa, Multi-scale reconstruction of porous media from low-resolution core images using conditional generative adversarial networks, Journal of Natural Gas Science and Engineering (2022), V. 99, 104411, 10.1016/j.jngse.2022.104411
  10. M.V. Tryamkin, Принцип длины и площади для функции на абстрактной поверхности над областью группы Карно (in Russian), Siberian Electronic Mathematical Reports (2021), V. 18, No. 2, 1720–1734, 10.33048/semi.2021.18.132
  11. I.I. Matveeva, Estimates for solutions to one class of nonlinear nonautonomous systems with time-varying concentrated and distributed delays, Siberian Electronic Mathematical Reports (2021), V. 18, No. 2, 1689–1697, 10.33048/semi.2021.18.128
  12. A. V. Vasil'ev, P.-H. Zieschang, Solvable hypergroups and a generalization of Hall's theorems on finite solvable groups to association schemes, Journal of Algebra (2022), V. 594, 733–750, https://doi.org/10.1016/j.jalgebra.2021.11.026
  13. A.P. Khramova, N.V. Maslova, V.V. Panshin, A.M. Staroletov, Characterization of groups E6(3) and 2E6(3) by Gruenberg-Kegel graph, Siberian Electronic Mathematical Reports (2021), V. 18, No. 2, 2021, 1651–1656, 10.33048/semi.2021.18.124
  14. S.K. Vodopyanov, On the Equivalence of Two Approaches to Problems of Quasiconformal Analysis, Sib Math J (2021), V. 62, No. 6, 1010–1025, https://doi.org/10.1134/S0037446621060045
  15. M.V. Tryamkin, The Symmetry Principle and Nondegenerate Families of Curves on Abstract Surfaces, Sib Math J (2021), V. 62, No. 6, 1140–1151, https://doi.org/10.1134/S003744662106015X
  16. A.V. Greshnov, Optimal Horizontal Joinability on the Engel Group, RENDICONTI LINCEI - MATEMATICA E APPLICAZIONI (2021), V. 32, No. 3, 535–547, 10.4171/RLM/947
  17. O. Bryzgunova, A. Bondar, P. Ruzankin, P. Laktionov, A. Tarasenko, A. Kurilshikov, R. Epifanov, M. Zaripov, M. Kabilov, P. Laktionov, Locus-Specific Methylation of GSTP1, RNF219, and KIAA1539 Genes with Single Molecule Resolution in Cell-Free DNA fr om Healthy Donors and Prostate Tumor Patients: Application in Diagnostics. Cancers (2021), V. 13, 6234, https://doi.org/10.3390/cancers13246234
  18. М.A. Skvortsova, Asymptotic properties of solutions to delay differential equations describing plankton-fish interaction (2021), Mathematics, V. 9, No. 23, 3064, 10.3390/math9233064
  19. I. Kovacs, G. Ryabov, The group is a DCI-group, Discrete Mathematics (2022), V. 345, No. 3, https://doi.org/10.1016/j.disc.2021.112705
  20. S. K. Vodopyanov, A. O. Tomilov, Functional and analytic properties of a class of mappings in quasi-conformal analysis, Izv. Math. (2021), V. 85, No. 5, 58–109, https://doi.org/10.1070%2FIM9082
  21. D.O. Kondyrev, Overview of privacy preserving technologies for distributed ledgers, Eurasian Journal of Mathematical and Computer Applications (2021), V. 9, No. 1, 55-68, 10.32523/2306-6172-2021-9-1-55-68
  22. N. Kolomeec, Some general properties of modified bent functions through addition of indicator functions, Cryptogr. Commun. (2021), https://doi.org/10.1007/s12095-021-00528-5
  23. S.S. Goncharov, M.I. Marchuk, The Degree of Decidable Categoricity of a Model with Infinite Solutions for Complete Formulas. Algebra Logic (2021), V. 60, No. 3, https://doi.org/10.1007/s10469-021-09642-y
  24. Y.L. Sachkov, Conjugate Time in the Sub-Riemannian Problem on the Cartan Group. J. Dyn. Control Syst. (2021), V. 27, 709–751, https://doi.org/10.1007/s10883-021-09542-5
  25. A.V. Vasil’ev, I.N. Ponomarenko, The Closures of Wreath Products in Product Action. Algebra Logic (2021), V. 60, No. 3, https://doi.org/10.1007/s10469-021-09640-0
  26. A.I. Sakhanenko, A.P. Kovalevskii, A.D. Shelepova, Remarks on invariance principle for one-parametric recursive residuals, Siberian Electronic Math Reports (2021), V. 18, 1058–1074, 10.33048/semi.2021.18.081
  27. M. Chebunin, On the accuracy of the poissonisation in the infinite occupancy scheme, Siberian Electronic Math Reports (2021), V. 18, 1035–1045, 10.33048/semi.2021.18.079
  28. O. Osipova, A. Cheban, P. Ignatenko, P. Ruzankin, E. Prokopenko, A. Karpenko, The effect of the stented iliac lesions TASC-II C, D on the femoropopliteal bypass patency: Propensity score-matched observational study, Vascular medicine (2021), https://doi.org/10.1177%2F1358863X211021165
  29. S. Foss, M. Schulte, Non-standard limits for a family of autoregressive stochastic sequences, Stochastic Processes and their Applications (2021), V. 142, 432–461, https://doi.org/10.1016/j.spa.2021.09.006.
  30. T. Konstantopoulos, A. Logachov, A. Mogulskii, S. Foss, Lim it Theorems for the Maximal Path Weight in a Directed Graph on the Line with Random Weights of Edges, Probl Inf Transm (2021), V. 57, No. 2, 161–177. https://doi.org/10.1134/S0032946021020058
  31. D. Churikov, G. Ryabov, On WL-rank of Deza Cayley graphs, Discrete Mathematics (2022), V. 345, Issue 2, 112692, https://doi.org/10.1016/j.disc.2021.112692
  32. D. Churikov, I. Ponomarenko, On 2-closed abelian permutation groups, Communications in Algebra (2021), 10.1080/00927872.2021.1990307
  33. L. N. Bondar, V. S. Nurmakhmatov, On solvability of the boundary value problem for one pseudohyperbolic equation, Siberian Electronic Mathematical Reports (2021), V. 18, No. 2, 1046–1057, 10.33048/semi.2021.18.080
  34. A. Arsie, A. Buryak, P. Lorenzoni, P. Rossi, Riemannian F-Manifolds, Bi-Flat F-Manifolds, and Flat Pencils of Metrics, International Mathematics Research Notices (2021), 1–49, https://doi.org/10.1093/imrn/rnab203
  35. A. Buryak, P. Rossi, Quadratic double ramification integrals and the noncommutative KdV hierarchy, Bulletin of the London Mathematical Society (2021), V. 53, No. 3, 843–854, https://doi.org/10.1112/blms.12464
  36. N. Tokareva, A. Shaporenko, P. Sole, Connections between quaternary and Boolean bent functions, Siberian Electronic Mathematical Reports (2021), V. 18, No. 1, 561–578, 10.33048/semi.2021.18.041
  37. D.V. Churikov, Structure of k-Closures of Finite Nilpotent Permutation Groups, Algebra and Logic (2021), V. 60, No. 2, 154–159, https://doi.org/10.1007/s10469-021-09637-9
  38. A.V. Greshnov, R.I. Zhukov, Horizontal Joinability in Canonical 3-Step Carnot Groups with Corank 2 Horizontal Distributions, Sib. Math. J. (2021), V. 62, 598–606, https://doi.org/10.1134/S0037446621040030
  39. Yu Jiang, A note on modular Terwilliger algebras of association schemes. Beitr. Algebra Geom. (2021), https://doi.org/10.1007/s13366-021-00605-z
  40. S. Agapov, V. Shubin, Rational integrals of 2-dimensional geodesic flows: New examples, Journal of Geometry and Physics (2021), V. 170, 104389, https://doi.org/10.1016/j.geomphys.2021.104389
  41. A.V. Tetenov, O.A. Chelkanova, Rigidity Theorem for Self-Affine Arcs, Dokl. Math. (2021), V. 103, 81–84, https://doi.org/10.1134/S1064562421020058
  42. A.D. Mednykh, I.A. Mednykh, Plans’ Periodicity Theorem for Jacobian of Circulant Graphs, Dokl. Math. (2021), V. 103, 139–142, https://doi.org/10.1134/S1064562421030121
  43. R.A. Kornev, A Semilattice of Degrees of Computable Metrics, Siberian Mathematical Journal (2021), V. 62, No. 5, 822–841, https://doi.org/10.1134/S0037446621050050
  44. A. Melnikov, New degree spectra of Polish spaces, Siberian Mathematical Journal (2021), V. 62, No. 5, 882–894, 10.1134/S0037446621050116
  45. L. Droogendijk, E.V. Konstantinova, An improved bound on the chromatic number of the Pancake graphs, Discussiones Mathematicae Graph Theory (2021), https://doi.org/10.7151/dmgt.2432
  46. N. Lazarev, E. Rudoy, Optimal location of a finite set of rigid inclusions in contact problems for inhomogeneous two-dimensional bodies, Journal of Computational and Applied Mathematics (2021), 113710, https://doi.org/10.1016/j.cam.2021.113710
  47. A.E. Mamontov, D.A. Prokudin, Solubility of unsteady equations of the three-dimensional motion of two-component viscous compressible heat-conducting fluids, Izvestiya: Mathematics (2021), V. 85, No. 4, 755, https://doi.org/10.1070/IM9019
  48. S. Akbari, W. H. Haemers, M. Ali Hosseinzadeh, V. V. Kabanov, E. V. Konstantinova, L. Shalaginov, Spectra of strongly Deza graphs, Discrete Mathematics (2021), V. 344, Issue 12, https://doi.org/10.1016/j.disc.2021.112622
  49. G. Chen, J. He, I. Ponomarenko, A. Vasil'ev, A characterization of exceptional pseudocyclic association schemes by multidimensional intersection numbers, ARS Mathematica Contemporanea (2021), V. 21, #P1.10, https://doi.org/10.26493/1855-3974.2405.b43
  50. A.I. Stukachev, Interval Extensions of Orders and Temporal Approximation Spaces, Siberian Mathematical Journal (2021), V. 62, 730–741. https://doi.org/10.1134/S0037446621040157
  51. N. Kolomeec, Some general properties of modified bent functions through addition of indicator functions, Cryptogr. Commun. (2021). https://doi.org/10.1007/s12095-021-00528-5
  52. V. Gubarev, Unital decompositions of the matrix algebra of order three, Communications in Algebra (2021), V. 49, No. 11, 4980–5005. 10.1080/00927872.2021.1934690
  53. S.V. Skresanov, On 2-closures of rank 3 groups, ARS Mathematica Contemporanea (2021), V. 21, #P1.08. https://doi.org/10.26493/1855-3974.2450.1dc

  54. I.P. Ivanov, N. Buskin, Bounded-from-below conditions for A4-symmetric 3HDM, Journal of Physics A: Mathematical and Theoretical (2021), V. 54, No. 32. https://doi.org/10.1088/1751-8121/ac0e53

  55. N. Bazhenov, L. San Mauro, On the Turing complexity of learning finite families of algebraic structures, Journal of Logic and Computation (2021). 10.1093/logcom/exab044

  56. E.A O'Brien, I. Ponomarenko, A.V. Vasil'ev, E. Vdovin, The 3-closure of a solvable permutation group is solvable, Journal of Algebra (2021). https://doi.org/10.1016/j.jalgebra.2021.07.002

  57. M. Bentert, R. van Bevern, A. Nichterlein, R. Niedermeier, P.V. Smirnov, Parameterized Algorithms for Power-Efficiently Connecting Wireless Sensor Networks: Theory and Experiments. INFORMS Journal on Computing (2021). https://doi.org/10.1287/ijoc.2020.1045

  58. R. Bildanov, V. Panshin, G. Ryabov, On WL-Rank and WL-Dimension of Some Deza Circulant Graphs, Graphs and Combinatorics (2021). https://doi.org/10.1007/s00373-021-02364-z

  59. N. Mouha, N. Kolomeec, D. Akhtiamov, et al (2021), Maximums of the Additive Differential Probability of Exclusive-Or. IACR Transactions on Symmetric Cryptology, 2021(2), 292–313. DOI https://doi.org/10.46586/tosc.v2021.i2.292-313

  60. D. Prokhorov, V. Lisitsa, Y. Bazaikin, Digital image reduction for the analysis of topological changes in the pore space of rock matrix, Computers and Geotechnics (2021), V. 136, 104171, https://doi.org/10.1016/j.compgeo.2021.104171

  61. A. Galt, V. Joshi, A. Mamontov, S. Shpectorov, A. Staroletov, Double axes and subalgebras of Monster type in Matsuo algebras, Communications in Algebra (2021), https://doi.org/10.1080/00927872.2021.1917589

  62. A. Khludnev, I. Fankina, Equilibrium problem for elastic plate with thin rigid inclusion crossing an external boundary, Zeitschrift für angewandte Mathematik und Physik (2021), V. 72, No. 121,  https://doi.org/10.1007/s00033-021-01553-3

  63. F. Sloothaak, J. Cruise, S. Shneer, et al, Complete resource pooling of a load-balancing policy for a network of battery swapping stations. Queueing Syst. (2021), Issue 1–2, https://doi.org/10.1007/s11134-021-09707-w

  64. D.V. Lytkina, V.D. Mazurov, Locally finite periodic groups saturated with finite simple orthogonal groups of odd dimension, Siberian Mathematical Journal (2021), V. 62, No. 3, 462–467, https://doi.org/10.1134/S0037446621030095

  65. Y. Trakhinin, T. Wang, Well-posedness for the free-boundary ideal compressible magnetohydrodynamic equations with surface tension, Math. Ann. (2021), https://doi.org/10.1007/s00208-021-02180-z

  66. M.A. Skvortsova, R. Yskak, Asymptotic Behavior of Solutions in One Predator–Prey Model with Delay, Siberian Mathematical Journal (2021), V. 62, No. 2, 324–336, https://doi.org/10.1134/S0037446621020117

  67. N.A. Bazhenov, M. Mustafa, S.S. Ospichev, On Universal Pairs in the Ershov Hierarchy, Siberian Mathematical Journal (2021), V. 62, No. 1, 23–31, https://doi.org/10.1134/S0037446621010031

  68. M.B. Karmanova, The Coarea Formula for Vector Functions on Carnot Groups with Sub-Lorentzian Structure, Siberian Mathematical Journal (2021), V. 62, No. 2, 239–261, https://doi.org/10.1134/S0037446621020051

  69. A.M. Khludnev, T-shape inclusion in elastic body with a damage parameter, J. Comp. Appl. Math. (2021), V. 393, 113540, DOI https://doi.org/10.1016/j.cam.2021.113540
  70. I. B. Kovynev, S. E. Titov, P. S. Ruzankin, M. M. Agakishiev, Y. A. Veryaskina, V. M. Nedel’ko, T. I. Pospelova, I. F. Zhimulev, Profiling 25 Bone Marrow microRNAs in Acute Leukemias and Secondary Nonleukemic Hematopoietic Conditions. Biomedicines (2020), V. 8, 607, DOI: https://doi.org/10.3390/biomedicines8120607
  71. V. A. Afanasev, R. van Bevern, O. Yu. Tsidulko, The Hierarchical Chinese Postman Problem: the slightest disorder makes it hard, yet disconnectedness is manageable, Operations Research Letters (2021), V. 49, No. 2, 270–277, DOI: 10.1016/j.orl.2021.01.017

  72. W. Guo, D. Revin, E. Vdovin, The reduction theorem for relatively maximal subgroups, Bulletin of Mathematical Sciences (2021) 2150001 (47 pages), DOI: 10.1142/S1664360721500016

  73. A. Buryak, E. Clader, Ran J. Tessler. Open r-Spin Theory I: Foundations, International Mathematics Research Notices (2021), Vol. 00, No. 0, 1–75, DOI: 10.1093/imrn/rnaa345

  74. D. V. Lytkina, V.D Mazurov, On Characterization of Simple Orthogonal Groups of Odd Dimension in the Class of Periodic Groups, Siberian Mathematical Journal (2021), V. 62, No. 1, DOI: 10.1134/S0037446621010080

  75. S. K. Vodopyanov, The regularity of inverses to sobolev mappings and the theory of Qq,p-homeomorphisms, Siberian mathematical journal (2020), V. 61, No. 6, 1002–1038, DOI: 10.1134/S0037446620060051

  76. S. K. Vodopyanov, Composition Operators on Weighted Sobolev Spaces and the Theory of Qp-Homeomorphisms, Doklady Mathematics, 2020, Vol. 102, No. 2, pp. 371–375, DOI: 10.1134/S1064562420050440

  77. I. Gorshkov, T. Nasybullov, Finite skew braces with solvable additive group, Journal of Algebra (2021), V. 574, 172–183, DOI: https://doi.org/10.1016/j.jalgebra.2021.01.027.

  78. A. I. Kozhanov, Nonlocal Integro-Differential Equations of the Second Order with Degeneration, Mathematics (2020), V. 8, No. 4, 606, DOI: https://doi.org/10.3390/math8040606

  79. L. N. Bondar, G. V. Demidenko, G. M. Pintus, Cauchy Problem for One Pseudohyperbolic System, Computational Mathematics and Mathematical (2020), V. 60, 615–627, DOI: https://doi.org/10.1134/S0965542520040053

  80. I. I. Matveeva, Estimates for Exponential Decay of Solutions to One Class of Nonlinear Systems of Neutral Type with Periodic Coefficients, Computational Mathematics and Mathematical Physics (2020), V. 60, 601–609, DOI: https://doi.org/10.1134/S0965542520040120

  81. A. M. Khludnev, T. S. Popova, The Junction Problem for Two Weakly Curved Inclusions in an Elastic Body, Siberian Mathematical Journal (2020), V. 61, 743–754, DOI: https://doi.org/10.1134/S003744662004014X

  82. A. M. Khludnev, T. S. Popova, On junction problem with damage parameter for Timoshenko and rigid inclusions inside elastic body, Journal of applied mathematics and mechanics (2020), V. 100, No. 8, DOI: https://doi.org/10.1002/zamm.202000063

  83. A. I. Kozhanov, Hyperbolic Equations with Unknown Coefficients, Symmetry (2020), V. 12, No. 9, 1539, DOI: https://doi.org/10.3390/sym12091539

  84. L. N. Bondar, G. V. Demidenko, Solvability of the Cauchy problem for a pseudohyperbolic system, Complex Variables and Elliptic Equations (2021), V. 66, No. 6–7, 1084–1099, DOI: https://doi.org/10.1080/17476933.2020.1829606

  85. A. I. Kozhanov, T. N. Shipina, Loaded differential equations and linear inverse problems for elliptic equations, Complex Variables and Elliptic Equations (2021), V. 66, No. 6–7, 910–928, DOI: https://doi.org/10.1080/17476933.2020.1793970

  86. S. G. Pyatkov, L. V. Neustroeva, On some asymptotic representations of solutions to elliptic equations and their applications, Complex Variables and Elliptic Equations (2021), V. 66, No. 6–7, 964–987, DOI: https://doi.org/10.1080/17476933.2020.1801656

  87. L. N. Bondar, G. V. Demidenko, On solvability of one class of quasielliptic systems, Siberian Mathematical Journal (2020), V. 61, No.6., 963–982, DOI: https://doi.org/10.1134/S0037446620060026

  88. V. G. Romanov, Phaseless Inverse Problems for Schrödinger, Helmholtz, and Maxwell Equations, Computational Mathematics and Mathematical Physics (2020), V. 60, 1045–1062, DOI: https://doi.org/10.1134/S0965542520060093 

  89. V. G. Romanov, Regularization of a continuation problem for electrodynamic equations, Journal of Inverse and Ill-Posed Problems (2020), V. 28, No. 5, DOI: https://doi.org/10.1515/jiip-2020-0012

  90. V. G. Romanov, A generalized Gronwall-Bellman inequality, Siberian Mathematical Journal (2020), V. 61, 532–537, DOI: 10.1134/S0037446620030155

  91. V. G. Romanov, A. Khasanov, Recovering a potential in damped wave equation from Neumann-to-Dirichlet operator, Inverse Problems (2020), V. 36, No. 11, 115011, DOI: 10.1088/1361-6420/abb8e8

  92. V. G. Romanov, A phaseless inverse problem for electrodynamic equations in the dispersible medium, Applicable Analysis (2020), 1–20, DOI: https://doi.org/10.1080/00036811.2020.1846721

  93. V. Kabanov, L. Shalaginov, Deza graphs with parameters (v,k,k–2,a), Journal of combinatorial designs (2020), V. 28, No. 9, 658–669, DOI: https://doi.org/10.1002/jcd.21722

  94. I. Ponomarenko, A. V. Vasil'ev, Two-closures of supersolvable permutation groups in polynomial time, Computational Complexity (2020), V. 29, No. 5, DOI: https://doi.org/10.1007/s00037-020-00195-7

  95. S. V. Goryainov, E. V. Konstantinova, Honghai Li, Da Zhao, Integral graphs obtained by dual Seidel switching, Linear Algebra and its Applications (2020), V. 604, 476–489, DOI: https://doi.org/10.1016/j.laa.2020.07.010

  96. I. B. Gorshkov, A. M. Staroletov, On primitive 3-generated axial algebras of Jordan type, Journal of Algebra (2020), V. 563, 74–99, DOI: https://doi.org/10.1016/j.jalgebra.2020.07.014

  97. E. I. Khukhro, P. Shumyatsky, Compact groups with countable Engel sinks, Bulletin of Mathematical Sciences (2020), 2050015, DOI: https://doi.org/10.1142/S1664360720500150

  98. E. I. Khukhro, P. Shumyatsky, Compact groups in which all elements have countable right Engel sinks, Proceedings of the Royal Society of Edinburgh Section A: Mathematics (2020), 1–25, DOI: https://doi.org/10.1017/prm.2020.81

  99. A. D. Mednykh, I. A. Mednykh, Kirchhoff index for circulant graphs and its asymptotic, Doklady Mathematics (2020), V. 102, No. 2, 392–395, DOI: 10.31857/S2686954320050379

  100. G. K. Ryabov, The Cayley isomorphism property for the group C25xCp, Mathematica Contemporanea (2020), V. 19, No. 2, DOI: https://doi.org/10.26493/1855-3974.2348.f42

  101. E. I. Khukhro, Alexander Moretó, M. Zarrin, The average element order and the number of conjugacy classes of finite groups, Journal of Algebra (2020), V. 569, 1–11, DOI: https://doi.org/10.1016/j.jalgebra.2020.11.009

  102. V. Kabanov, E. Konstantinova, L. Shalaginov, A. Valyuzhenich, Minimum supports of eigenfunctions with the second largest eigenvalue of the Star graph, The Electronic Journal of Combinatorics (2020), V. 27, No. 2, DOI: https://doi.org/10.37236/9147

  103. A. Mironov, M. Bialy, L. Shalom, Magnetic billiards: Non-integrability for strong magnetic field; Gutkin type examples, Journal of Geometry and Physics (2020), V. 154, 103716, DOI: https://doi.org/10.1016/j.geomphys.2020.103716

  104. R. van Bevern, V. A. Slugina, A historical note on the 3/2-approximation algorithm for the metric traveling salesman problem, Historia Mathematica (2020), V. 53, 118–127, DOI: https://doi.org/10.1016/j.hm.2020.04.003

  105. R. van Bevern, P. V. Smirnov, Optimal-size problem kernels for d-Hitting Set in linear time and space, Information Processing Letters (2020), V. 163, 105998, DOI: https://doi.org/10.1016/j.ipl.2020.105998

  106. R. van Bevern, O. Yu. Tsidulko, T. Fluschnik, On approximate data reduction for the Rural Postman Problem: Theory and experiments, Networks (2020), V. 76, No. 4, 485–508, DOI: https://doi.org/10.1002/net.21985

  107. N. A. Bazhenov, Definable subsets of polynomial-time algebraic structures, Lecture Notes in Computer Science (2020), 142–154, DOI: https://doi.org/10.1007/978-3-030-50026-9_10

  108. I. Sh. Kalimullin, V. G. Puzarenko, M. Kh. Faizrahmanov, Positive numberings in admissible sets, Siberian Mathematical Journal (2020), V. 61, 478–489, DOI: 10.1134/S003744662003009X

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