Exact solution of the centralized network design problem on directed graphs
β Scribed by Fatma Gzara; Jean-Louis Goffin
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 135 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0028-3045
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π SIMILAR VOLUMES
In this short paper, we give a positive answer to a question of C. D. Godsil (1983, Europ. J. Combin. 4, 25 32) regarding automorphisms of cubic Cayley graphs of 2-groups: ``If Cay(G, S) is a cubic Cayley graph of a 2-group G and A=Aut Cay(G, S), does A 1 {1 imply Aut(G, S){1?'' 1998 Academic Press
ErdΕs has conjectured that every subgraph of the n-cube Q n having more than (1/2+o(1))e(Q n ) edges will contain a 4-cycle. In this note we consider 'layer' graphs, namely, subgraphs of the cube spanned by the subsets of sizes k -1, k and k + 1, where we are thinking of the vertices of Q n as being