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Fotografi av Armen Asratian

Armen Asratian

Forskningsintressen inom grafteori, operationsanalys och kombinatorik

  • Grafteori, särskilt problem inom Hamiltonsk grafteori och kantfärgningsproblem.
  • Operationsanalys, särskilt problem som rör existens av och transformationer mellan scheman.
  • Kombinatorik, särskilt latinska kvadrater och deras transformationer samt transversalteori.

CV

(In English)

ÌÇÐÄÍøÒ³°æ

  • Master of Science in Applied Mathematics, Yerevan State University, Yerevan, Armenia, 1973
  • Ph.D. in Mathematics, Moscow State University, Moscow, 1980
  • Docent in Mathematical Cybernetics, Yerevan State University, 1986
  • Docent in Mathematics, LuleÃ¥ University of Technology, Sweden, 1997

Employment

  • 11.07.2018-present: Professor Emeritus, Department of Mathematics, Linköping University
  • 1.01.2003-10.07.2018: Full Professor, Department of Mathematics, Linköping University
  • 14. 02. 2001-31.12.2002: Full Professor, Department of Mathematics, LuleÃ¥ University of Technology, Sweden
  • 1996- 13.02.2001: Associate Professor, Department of Mathematics, LuleÃ¥ University of Technology
  • 1984 - 1995: Associate Professor, Yerevan State University, Armenia
  • 1982-1984: Assistant Professor, Yerevan State University
  • 1976-1982: Group Director of the laboratory of theoretical cybernetics, Yerevan State University

Visiting positions

  • 1.06.1992-1.08.1992: Visiting Professor, University of Waterloo (Canada)
  • 21.11.1992- 21.05.1993: Researcher, University of Twente (Holland)
  • 1.09. 1993 - 1.03. 1995: Researcher, UmeÃ¥ University (Sweden)
  • 1.06.95-30.06.95, 1.09. 1995 - 30.12. 1995: Lecturer, UmeÃ¥ University (Sweden)

Books

  • A.S.Asratian, T.M.J. Denley and R. Häggkvist, (Hardback), Cambridge Tracts in Mathematics 131, Cambridge Univ. Press, 1998, 272 pp.
  • A.S.Asratian, T.M.J. Denley and R. Häggkvist, (Paperback), Cambridge Tracts in Mathematics 131, Cambridge Univ. Press, 2008, 272 pp.
  • A. Asratian, A. Björn and B.O. Turesson, , Textbook, Liber, Stockholm, 2020, 344 pp. (in Swedish)
  • A. Asratian and G. Akopian, Problems and exercises of graph theory, Textbook, Yerevan University Press, 1985, 70 pp. (in Armenian)

Doctoral theses supervised

  • N. Khachatrian, Local algorithms and stability in the problem of hamiltonicity of a graph, Minsk, 1988.
  • R. Kamalian, Interval edge colorings of graphs, Novosibirsk, 1990.
  • A. Mirumyan, Algorithms of transformations in design of experiments and related problems, Yerevan, 1992.
  • G. Sarkisian, Hamiltonian properties of graphs with local Ore-type conditions, Yerevan, 1996
  • N. Oksimets, Some properties of eulerian and hamiltonian graphs, UmeÃ¥ University, 2003 (joint supervision with Professor R. Häggkvist)
  • C.J. Casselgren, On some graph coloring problems, UmeÃ¥ University, 2011 (joint supervision with Professor R. Häggkvist)
  • J.B. Granholm, Local conditions for long cycles in graphs, Linköping University, 2021 (joint supervision with Docent C.J. Casselgren)

Teaching experience

  • Courses taught in Linear Algebra, Analytic Geometry, Discrete Mathematics, Calculus, Operations Research, Combinatorial Optimization, Graph Theory and Combinatorics.

Publikationer

2023

Armen Asratian, Carl Johan Casselgren, Petros A. Petrosyan (2023) Discrete Applied Mathematics, Vol. 335, s. 25-35 (Artikel i tidskrift)

2022

Armen Asratian, Jonas Granholm (2022) Discrete Applied Mathematics, Vol. 316, s. 75-86 (Artikel i tidskrift)

2021

Armen Asratian, Jonas Granholm, Nikolay K. Khachatryan (2021) Discrete Applied Mathematics, Vol. 293, s. 166-176 (Artikel i tidskrift)
Armen Asratian, Jonas Granholm, Nikolay K. Khachatryan (2021) Journal of combinatorial theory. Series B (Print), Vol. 148, s. 209-238 (Artikel i tidskrift)

2020

Armen Asratian, Anders Björn, Bengt-Ove Turesson (2020) (Bok)

Forskning

Organisation