330 search results - page 16 / 66 » Approximation Algorithms for the Directed k-Tour and k-Strol... |
CALC
2001
Springer
14 years 14 hour ago
2001
Springer
We show that recent results of Coppersmith, Boneh, Durfee and Howgrave-Graham actually apply in the more general setting of (partially) approximate common divisors. This leads us t...
COMPUTING
2008
13 years 7 months ago
2008
Generalizing the approach of a previous work [15] the authors present multilevel preconditioners for three-dimensional (3D) elliptic problems discretized by a family of Rannacher ...
AINA
2007
IEEE
14 years 1 months ago
2007
IEEE
The construction of multicast trees is complicated by the need to balance a number of important objectives, including: minimizing latencies, minimizing depth/hops, and bounding th...
FOCS
2006
IEEE
14 years 1 months ago
2006
IEEE
Given an undirected hypergraph and a subset of vertices S ⊆ V with a specified root vertex r ∈ S, the STEINER ROOTED-ORIENTATION problem is to find an orientation of all the...
MP
2007
13 years 7 months ago
2007
Given a graph with costs on the edges, the power of a node is the maximum cost of an edge leaving it, and the power of the graph is the sum of the powers of the nodes of this graph...