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Research Group on Discrete Mathematics

Kollegiengebäude Mathematik (20.30)
Room 1.044

Institut für Algebra und Geometrie
Englerstr. 2
D-76131 Karlsruhe

Office hours:
Tu, Th, F 8:30-12:00

Tel.: +49 721 608 47412

Fax.: +49 721 608 46968

Research seminar on graph theory (Winter Semester 2012/13)

Lecturer: Prof. Maria Axenovich Ph.D., Torsten Ueckerdt
Classes: Seminar (0121300)
Weekly hours: 2

This is an informal seminar in which we come together, give talks, share problems and discuss them. Everyone is welcome to join us, give a talk or just listen. The content covered by the talks includes but is not limited to:

  • presentation original research
  • report on conferences attended
  • presentation of interesting and relevant articles

If you want to give a talk, please contact Torsten Ueckerdt . You are very welcome!

How to find us

The seminar room K2 is within the building 01.93 located in Kronenplatz 32. You can find it on campus-sued-plan.pdf|this map in square D9. When standing on Kronenplatz look for a travel agency called "Reiseland" and for the entrance left of it. The door is usually locked but there is a door bell at the panel labeled KIT Mathematik Seminarraum. Ring that bell and wait for someone to open.


  • For now on the seminar will take place Tuesdays from 11:30am to 1:00pm!

Seminar: Tuesday 11:30-13:00 Begin: 9.10.2012
Lecturer Prof. Maria Axenovich Ph.D.
Office hours: Mondays 15:40-16:40
Room 1.043 Kollegiengebäude Mathematik (20.30)
Email: maria.aksenovich@kit.edu
Lecturer Torsten Ueckerdt
Office hours:
Room Kollegiengebäude Mathematik (20.30)
Email: torsten.ueckerdt@kit.edu

Talk History

  • 16.10.2012 Torsten Ueckerdt -- "The Twin Problem"
  • 23.10.2012 Jonathan Rollin -- "Report from 4PCC, Poznan"
  • 30.10.2012 Stefan Walzer -- "Clumsy Packings - Wasting Space in Geometric Puzzles"
  • 06.11.2012 Judith Stumpp -- "Online Size Anti-Ramsey Numbers"
  • 13.11.2012 Maria Axenovich -- "On bar-visibility representations of graphs"
  • 20.11.2012 Daniel Hoske -- "Book Embedding with Fixed Page Assignments"
  • 27.11.2012 Alexander Koch -- "Representations of Graphs by Outside Obstacles"
  • 04.12.2012 Torsten Ueckerdt -- "Research on Coloring Geometric Hypergraphs"
  • 11.12.2012 Ignaz Rutter -- "Research on Stack- and Queue-number of Graphs"
  • 18.12.2012 Fabian Stroh -- "Coloring Kneser Graphs"
  • 15.01.2013 Jonathan Rollin -- "Unique Edge Colorings"
  • 22.01.2013 Torsten Ueckerdt -- "Combinatorial and Geometric Properties of Planar Laman Graphs"
  • 29.01.2013 "On a Reconstruction Problem for Sequences"
  • 05.02.2013 Torsten Ueckerdt and Maria Axenovich -- "Non-crossing Connectors in the Plane" and "Twins"
  • 12.02.2013 Maria Axenovich -- "On Ramsey Numbers and Size Ramsey Numbers"


One of the most commonly used data bases for mathematics literature is MATHSCINET provided by the American Mathematical Society. You can access mathscinet from any KIT computer. From a remote location, you need to do vpn-connection. To do so, go to https://vpn.kit.edu and after doing login simply type "mathscinet" in a google window.