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FSTTCS
2009
Springer
14 years 2 months ago
Approximating Fault-Tolerant Group-Steiner Problems
In this paper, we initiate the study of designing approximation algorithms for FaultTolerant Group-Steiner (FTGS) problems. The motivation is to protect the well-studied group-Ste...
Rohit Khandekar, Guy Kortsarz, Zeev Nutov
COMPGEOM
1998
ACM
13 years 11 months ago
Constructing Approximate Shortest Path Maps in Three Dimensions
We present a new technique for constructing a data-structure that approximates shortest path maps in IRd . By applying this technique, we get the following two results on approxim...
Sariel Har-Peled
ISCC
1999
IEEE
13 years 11 months ago
On Network Survivability Algorithms Based on Trellis Graph Transformations
Due to the wide range of services being supported, telecommunications networks are loaded with massive quantities of information. This stimulates extra concern for network surviva...
Soulla Louca, Andreas Pitsillides, George Samaras
CG
2005
Springer
13 years 7 months ago
Computing geodesics on triangular meshes
We present a new algorithm to compute a geodesic path over a triangulated surface. Based on Sethian's Fast Marching Method and Polthier's Straightest Geodesics theory, w...
Dimas Martínez Morera, Luiz Velho, Paulo Ce...
TON
1998
145views more  TON 1998»
13 years 7 months ago
Adaptive wavelength routing in all-optical networks
Abstract—In this paper we consider routing and wavelength assignment in wavelength-routed all-optical networks with circuitswitching. The conventional approaches to address this ...
Ahmed Mokhtar, Murat Azizoglu