1554 search results - page 152 / 311 » Parameterized Complexity and Approximation Algorithms |
181
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ICALP
2010
Springer
15 years 11 months ago
2010
Springer
Some of the currently best-known approximation algorithms for network design are based on random sampling. One of the key steps of such algorithms is connecting a set of source nod...
145
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SIAMJO
2010
15 years 1 months ago
2010
In this paper we propose a new exchange method for solving convex semi-infinite programming (CSIP) problems. We introduce a new dropping-rule in the proposed exchange algorithm, wh...
198
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STOC
2006
ACM
16 years 6 months ago
2006
ACM
Let > 0 be a constant. For any edge-weighted planar graph G and a subset S of nodes of G, there is a subgraph H of G of weight a constant times that of the minimum Steiner tree...
154
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ISAAC
1998
Springer
15 years 10 months ago
1998
Springer
Abstract. A fundamental problem in computational biology is the determination of the correct species tree for a set of taxa given a set of possibly contradictory gene trees. In rec...
169
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STOC
2009
ACM
16 years 7 months ago
2009
ACM
Consider the edge-connectivity survivable network design problem: given a graph G = (V, E) with edge-costs, and edgeconnectivity requirements rij Z0 for every pair of vertices i,...