Extended Abstract Submission

To submit a contribution, please prepare an extended abstract of at most 4 pages and submit through the EasyChair conference system no later than Sunday, March 15th, 2009 (this deadline will not be extended). Please use the following template, which is based on the LaTeX class "ctwart".

Upload a PostScript or PDF version of your abstract using the EasyChair submission page at


The scientific committee will select the presentations for the workshop on the basis of the extended abstracts received. If your contribution is accepted, you will later be asked to submit the LaTeX source, too.

The submission server is now closed.

CTW09 Important information summary

Special issue

A special issue of the journal "Discrete Applied Mathematics" is planned containing a selection of full papers submitted by the participants.

Call for Papers

The Cologne Twente Workshop on Graphs and Combinatorial Optimization 2009 will take place Conservatoire National d'Arts et Métiers, Paris, France (June 2-4, 2009).


Theory and applications of discrete algorithms, graphs and combinatorial optimization in the wide sense.

Important Dates

  • Deadline for the submission of abstracts: March 15th, 2009.
  • Acceptance notice: April 15, 2009.
  • Deadline for registration with reduced fee: April 30th, 2009.
  • CTW 2009: June 2-4, 2009.

Registration fee

EUR 140 if the payment is received within April 30, 2009
EUR 190 afterwards. For PhD students: EUR 75 within April 30, 2009, and EUR 125 afterwards.
The registration fee includes entry to all technical sessions, coffee-breaks, the social event and one copy of the workshop program and abstracts.

See the committees composition.