Research-level open problems in Combinatorics.
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Sites 6
- Open Problems for Undergraduates A collection of open problems in Discrete Mathematics which are currently being researched by members of the DIMACS community.
- Past Open Problems From the SIAM Activity Group Newsletter in Discrete Mathematics. In PostScript. Compiled by Douglas B. West.
- Some Problems in Matroid Theory Thomas Zaslavsky of Binghamton State University of New York presents brief descriptions and references. Find information on Bonin's Projective Bound including the maximum r-flat, covering and packing by flats.
- Open Problems in Combinatorics Features links to newsletters, workshops, and papers.
- Problems in Graph Theory and Combinatorics A collection maintained by Douglas B. West, of the University of Illinois. Features brief introductions, along with references cited. Topics include matching and independence, connectivity, graph homomorphism and circular coloring.
- Open Mathematical Questions A few unsolved mathematical questions put together by Julian D. A. Wiseman.