Sciweavers

434 search results - page 15 / 87
» Improved Algorithms for the 2-Vertex Disjoint Paths Problem
Sort
View
STOC
2002
ACM
144views Algorithms» more  STOC 2002»
15 years 9 months ago
Improved decremental algorithms for maintaining transitive closure and all-pairs shortest paths
We present improved algorithms for maintaining transitive closure and all-pairs shortest paths/distances in a digraph under deletion of edges. For the problem of transitive closur...
Surender Baswana, Ramesh Hariharan, Sandeep Sen
NETWORKS
2008
14 years 9 months ago
New dynamic programming algorithms for the resource constrained elementary shortest path problem
The resource-constrained elementary shortest path problem arises as a pricing subproblem in branch-and-price algorithms for vehicle routing problems with additional constraints. W...
Giovanni Righini, Matteo Salani
74
Voted
TEC
2002
117views more  TEC 2002»
14 years 9 months ago
A genetic algorithm for shortest path routing problem and the sizing of populations
This paper presents a genetic algorithmic approach to the shortest path (SP) routing problem. Variable-length chromosomes (strings) and their genes (parameters) have been used for ...
Chang Wook Ahn, Rudrapatna S. Ramakrishna
INFOCOM
2003
IEEE
15 years 2 months ago
Algorithms for Computing QoS Paths with Restoration
— There is a growing interest among service providers to offer new services with Quality of Service (QoS) guaranties that are also resilient to failures. Supporting QoS connectio...
Yigal Bejerano, Yuri Breitbart, Rajeev Rastogi, Al...
ICALP
2011
Springer
14 years 27 days ago
Improved Approximation for the Directed Spanner Problem
We present an O( √ n log n)-approximation algorithm for the problem of finding the sparsest spanner of a given directed graph G on n vertices. A spanner of a graph is a sparse ...
Piotr Berman, Arnab Bhattacharyya, Konstantin Maka...