Steen Markvorsen

Steen Markvorsen


Asmussens Allé

Building: 303B, 160

2800 Kgs. Lyngby


Phone: 45253049Fax: 45 88 13 99

Research activities and interests

  • Geometry and differential geometry with special emphasis on diffusion related processes in doubly curved surfaces - for example in surfaces with constant mean curvature (soap films and foams). We obtain sharp inequalities for mean exit times for Brownian motion and for isoperimetry (the area to length ratio) for special spherical subdomains on such surfaces. The methods are analytic (potential theory and heat equation analysis) and geometric (curvature comparison geometry). There are applications to biological membranes resembling minimal surfaces and to surfaces with complex but curvature controlled topology. This research is supported by the Danish Natural Sciences Research Council (FNU) and by the Spanish Ministry of Science via collaboration with Vicente Palmer, Universitat Jaume I.
  • Geodesic curves are ocally the shortest curves on a given surface. In curved surfaces and in topologically non-trivial surfaces we encounter, however, an interesting lensing effect: At a suitable distance from a given point we may find other points from which there are more than one geodesic curve to the given point. There are applications of this research to models of forest fires and to the study of gravitational lenses.

Dissemination activities and interests

  • Matematicum, the Mathematics Inspiratorium at The Technical University of Denmark. This initiative is supported by FNU, by the Birch & Krogboe Foundation , and by Rector's strategic fund at DTU.
  • Didactically motivated applications of Computer Algebra and Analysis Systems (CAAS) for disseminating and unfolding structural and abstract mathematical concepts and ideas. Has been supported by LearningLab DTU.

Further information

  • My personal homepage - see the link to the left in this box
  • The DTU research database ORBIT - see the links at the topright corner of  this box


Academic grades

Ph.D. (Lic. Techn.)

Ph.D. (Lic. Techn.)

International experience

Differential and Riemannian Geometry

My links

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  • Archiv der Mathematik

    ISSNs: 0003-889X

    Additional searchable ISSN (Electronic): 1420-8938

    Springer Basel AG, Switzerland

    BFI (2018): BFI-level 1, Scopus rating (2017): SJR 0.725 SNIP 0.915, ISI indexed (2013): ISI indexed yes, Web of Science (2018): Indexed yes

    Central database


  • Mathematische Annalen

    ISSNs: 0025-5831

    Additional searchable ISSN (Electronic): 1432-1807

    Springer, Germany

    BFI (2018): BFI-level 2, Scopus rating (2017): SJR 3.101 SNIP 1.509, ISI indexed (2013): ISI indexed yes, Web of Science (2018): Indexed yes

    Central database


  • Potential Analysis

    ISSNs: 0926-2601

    Additional searchable ISSN (Electronic): 1572-929X

    Springer Netherlands, Netherlands

    BFI (2018): BFI-level 1, Scopus rating (2017): SJR 1.51 SNIP 1.133, ISI indexed (2013): ISI indexed yes, Web of Science (2018): Indexed yes

    Central database


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ID: 2198615