2796 search results - page 6 / 560 » The coolest path problem |
SODA
2010
ACM
15 years 6 months ago
2010
ACM
We study integrality gaps and approximability of two closely related problems on directed graphs. Given a set V of n nodes in an underlying asymmetric metric and two specified nod...
WIOPT
2006
IEEE
15 years 3 months ago
2006
IEEE
Abstract— The inherent nature of the physical setup and transmission mechanism in wireless ad hoc networks with random channel access, results in correlation between the link met...
FOCS
2005
IEEE
15 years 3 months ago
2005
IEEE
In joint work with ´Eva Tardos in 1995, we asked whether it was possible to obtain a polynomial-time, polylogarithmic approximation algorithm for the disjoint paths problem in th...
STACS
2010
Springer
15 years 4 months ago
2010
Springer
Abstract. A parametric weighted graph is a graph whose edges are labeled with continuous real functions of a single common variable. For any instantiation of the variable, one obta...
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CORR
2010
Springer
14 years 6 months ago
2010
Springer
Abstract. CAT(0) metric spaces constitute a far-reaching common generalization of Euclidean and hyperbolic spaces and simple polygons: any two points x and y of a CAT(0) metric spa...