Open Problems Graph Theory Combinatorics

Open Problems

• Top/Science/Math/Research/Open Problems

• - Maintained by Peter Cameron.
  
• - Unsolved problems on perfect graphs.
  
• - Including the list of 50 problems of Bondy and Murty with current status. Compiled by Stephen C. Locke.
  
• - Compiled by Thomas Zaslavsky.
  
• - Research problems collected by Bojan Mohar.
  
• - Open Problems involving Steiner distance.
  
• - Kézdy's open problems.
  
• - Archive for the book "Graph Coloring Problems" by Tommy R. Jensen and Bjarne Toft (Wiley Interscience 1995), dedicated to Paul Erdös. Gives progress and new problems.
  
• - By Douglas B. West, from the SIAM Activity Group Newsletter in Discrete Mathematics.
  
• - Colouring, algebraic graph theory, geometries.
  
• - Six problems suitable for undergraduate research projects.
  
• - Web text by Dan Archdeacon with a list of open questions in topological graph theory.
  
• - Students can understand and work on an unsolved problem in mathematics.
  
• - Compiled by Jerry Spinrad.
  
• - Conjectures and open problems, maintained at the AIM.
  
  

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