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EJC
2010
14 years 9 months ago
Problems from CGCS Luminy, May 2007
Most of these problems were presented at the conference on Combinatorics, Geometry and Computer Science, held at CIRM, Luminy, 2-4 May 2007. I have added one problem on a similar ...
Peter J. Cameron
EJC
2007
14 years 9 months ago
Matrix identities on weighted partial Motzkin paths
William Y. C. Chen, Nelson Y. Li, Louis W. Shapiro...
EJC
2010
14 years 9 months ago
A note on antisymmetric flows in graphs
We prove that any orientation of a graph without bridges and directed 2-edge-cuts admits a Z3 2
Zdenek Dvorak, Tomás Kaiser, Daniel Kr&aacu...
EJC
2010
14 years 9 months ago
Some graphs related to the small Mathieu groups
Two different constructions are given of a rank 8 arc-transitive graph with 165 vertices and valency 8, whose automorphism group
Alice Devillers, Michael Giudici, Cai Heng Li, Che...