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EJC
2010
14 years 9 months ago
2010
Say a digraph is k-free if it has no directed cycles of length at most k, for k Z+ . Thomass
EJC
2010
14 years 9 months ago
2010
A graph is k-linked (k-edge-linked), k 1, if for each k pairs of vertices x1, y1,
EJC
2006
14 years 9 months ago
2006
An n-lift of a graph K, is a graph with vertex set V (K)
EJC
2000
14 years 9 months ago
2000
Lower bounds on the size of t-fold blocking sets with respect to hyperplanes or t-intersection sets in AG(n, q) are obtained, some of which are sharp.
EJC
2002
14 years 9 months ago
2002
In this paper, we prove the existence of acute triangulations for general polyhedral surfaces. We also show how to obtain nonobtuse subtriangulations of triangulated polyhedral sur...