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Arbeitsgruppe
Diskrete Mathematik und Algebra

headerphoto Arbeitsgruppe 
Diskrete Mathematik und Algebra
Ansprechpartner

Dr. Erhard Hexel

Privatdozent i. R.

Telefon +49 3677 69-3614

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INHALTE

Priv.-Doz. Dr. Erhard Hexel

Lehre


Forschung

Aktuelle Forschung
  • Wege und Kreise in Graphen, insbesondere durch vorgeschriebene Elemente
  • leichte und schwere Teilgraphen
  • Eigenschaften von Polyedergraphen

Publikationen

  • On paths of greedoids and a minor characterization, Europ. J. Combinatorics (1994) 15, 239-244.
  • On vertex-degree restricted paths in 4-connected planar graphs (with H. Walther), Tatra Mt. Math. Publ. 18 (1999), 1-13.
  • On vertex-degree restricted paths in polyhedral graphs (with I. Fabrici, S. Jendrol', and H. Walther), Discrete Mathematics 212 (2000), 61-73.
  • On light graphs in the family of 4-connected planar graphs, Discrete Mathematics 251 (2002), 103-107.
  • On short cycles through prescribed vertices of a graph (with F. Göring, J. Harant, and Zs. Tuza), Discrete Mathematics 286 (2004), 67-74.
  • On short cycles through prescribed vertices of a polyhedral graph, Discussiones Mathematicae, Graph Theory 25 (2005) 419-426.
  • On short paths through prescribed vertices of a graph, Discrete Mathematics 307 (2007), 905-910.
  • On vertices enforcing a hamiltonian cycle (with I. Fabrici and S. Jendrol'), Discussiones Mathematicae, Graph Theory 33 (2013) 71-89.