723 search results - page 13 / 145 » On the hyperbolicity constant in graphs |
ESA
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. The input of the Edge Multicut problem consists of an undirected graph G and pairs of terminals {s1, t1}, . . . , {sm, tm}; the task is to remove a minimum set of edges s...
SODA
2010
ACM
14 years 4 months ago
2010
ACM
The crossing number of a graph is the least number of pairwise edge crossings in a drawing of the graph in the plane. We provide an O(n log n) time constant factor approximation al...
SIAMDM
2010
13 years 2 months ago
2010
If m 2 is constant and 0 r log log n for a small positive constant , then whp a random walk with look-ahead r on a scale-free graph G = G(m, n) has cover time CG(r) (2/(mr-1(...
ESOP
2001
Springer
13 years 12 months ago
2001
Springer
Constant propagation (CP) is one of the most widely used optimizations in practice (cf. [9]). Intuitively, it addresses the problem of statically detecting whether an expression al...
CRYPTO
2001
Springer
13 years 12 months ago
2001
Springer
Consider a network of processors among which elements in a finite field K can be verifiably shared in a constant number of rounds. Assume furthermore constant-round protocols ar...