World's Best Scientists 2026 revealed!
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Computer Science
Denmark
2026
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Mathematics
Denmark
2026

D-Index & Metrics

Computer Science

D-Index
65
Citations
13405
World Ranking
2498
National Ranking
10

Mathematics

D-Index
66
Citations
13490
World Ranking
368
National Ranking
2

Research.com Recognitions

  • 2026 - Research.com Computer Science in Denmark Leader Award
  • 2026 - Research.com Mathematics in Denmark Leader Award
  • 2025 - Research.com Computer Science in Denmark Leader Award
  • 2025 - Research.com Mathematics in Denmark Leader Award
  • 2023 - Research.com Computer Science in Denmark Leader Award
  • 2023 - Research.com Mathematics in Denmark Leader Award
  • 2022 - Research.com Computer Science in Denmark Leader Award

Overview

Carsten Thomassen is affiliated with the Technical University of Denmark in Denmark. Their research spans multiple areas within computer science and mathematics, with a significant focus on graph theory and related computational topics.

The scientist's work has been published in several venues, often contributing to the fields of combinatorics and graph theory. Frequent publication venues include:

  • arXiv (Cornell University)
  • The Electronic Journal of Combinatorics
  • Journal of Combinatorial Theory Series B
  • Discrete Mathematics
  • European Journal of Combinatorics

Carsten Thomassen's published papers include:

  • "Group Connectivity and Group Coloring: Small Groups versus Large Groups," 2020, The Electronic Journal of Combinatorics
  • "Linear transformations of tropical matrices preserving the cyclicity index," 2021, Special Matrices
  • "Partite Turán-densities for complete r-uniform hypergraphs on r+1 vertices," 2021, Journal of Combinatorics
  • "Universality in minor-closed graph classes," 2021, arXiv (Cornell University)
  • "Exponentially many 3-colorings of planar triangle-free graphs with no short separating cycles," 2021, Journal of Combinatorial Theory Series B

Their research addresses topics such as:

  • Advanced Graph Theory Research
  • Limits and Structures in Graph Theory
  • Computational Geometry and Mesh Generation
  • Graph Labeling and Dimension Problems
  • Graph theory and CDMA systems
  • Graph theory and applications
  • Digital Image Processing Techniques

Main fields of study engaged by Carsten Thomassen include computer science and mathematics, with subfields covering:

  • Computational Theory and Mathematics
  • Discrete Mathematics and Combinatorics
  • Computer Graphics and Computer-Aided Design
  • Electrical and Electronic Engineering
  • Geometry and Topology

Throughout the course of their research, Carsten Thomassen has collaborated with several frequent coauthors:

  • Rikke Langhede
  • Eva Rotenberg
  • Kasper Skov Johansen
  • Alexander Guterman
  • E. M. Kreines

Best Publications

  • Graphs on Surfaces

    Bojan Mohar;Carsten Thomassen

  • Every Planar Graph Is 5-Choosable

    C. Thomassen

  • The graph genus problem is NP-complete

    C. Thomassen

  • 2-Linked Graphs

    Carsten Thomassen

  • Planarity and Duality of Finite and Infinite Graphs

    Carsten Thomassen

  • Cycles in digraphs– a survey

    Jean-Claude Bermond;Carsten Thomassen

  • A theorem on paths in planar graphs

    Carsten Thomassen

  • 3-list-coloring planar graphs of girth 5

    Carsten Thomassen

  • Reflections on graph theory

    Carsten Thomassen

  • Highly Connected Sets and the Excluded Grid Theorem

    Reinhard Diestel;Tommy R. Jensen;Konstantin Yu. Gorbunov;Carsten Thomassen

  • Embeddings of graphs with no short noncontractible cycles

    C. Thomassen

  • The Jordan-Scho¨nflies theorem and the classification of surfaces

    Carsten Thomassen

  • Kuratowski's theorem

    Carsten Thomassen

  • Nowhere-zero 3-flows and modulo k-orientations

    László Miklós Lovász;Carsten Thomassen;Yezhou Wu;Cun-Quan Zhang

  • On the complexity of some colorful problems parameterized by treewidth

    Michael R. Fellows;Fedor V. Fomin;Daniel Lokshtanov;Frances Rosamond

  • Distances in orientations of graphs.

    Vaclav Chvatal;Carsten Thomassen

  • Hamiltonian-Connected Tournaments

    Carsten Thomassen

  • The Zero-Free Intervals for Chromatic Polynomials of Graphs

    Carsten Thomassen

  • Interval representations of planar graphs

    Carsten Thomassen

  • The weak 3-flow conjecture and the weak circular flow conjecture

    Carsten Thomassen

Frequent Co-Authors

Patrick Solé
Patrick Solé Centre national de la recherche scientifique, CNRS
Paul Seymour
Paul Seymour Princeton University
Bojan Mohar
Bojan Mohar Simon Fraser University
Fedor V. Fomin
Fedor V. Fomin University of Bergen
Michael R. Fellows
Michael R. Fellows Lebanese American University
Saket Saurabh
Saket Saurabh Institute of Mathematical Sciences
Daniel Lokshtanov
Daniel Lokshtanov University of California, Santa Barbara
Ken-ichi Kawarabayashi
Ken-ichi Kawarabayashi National Institute of Informatics
Vasek Chvátal
Vasek Chvátal Concordia University

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