429 search results - page 18 / 86 » Improved Algorithms for the k Maximum-Sums Problems |
APPROX
2009
Springer
15 years 4 months ago
2009
Springer
Submodular-function maximization is a central problem in combinatorial optimization, generalizing many important NP-hard problems including Max Cut in digraphs, graphs and hypergr...
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STOC
2012
ACM
13 years 7 days ago
2012
ACM
We consider the problem of computing the k-sparse approximation to the discrete Fourier transform of an ndimensional signal. We show: • An O(k log n)-time randomized algorithm f...
DAGSTUHL
2007
14 years 11 months ago
2007
We consider the problems of set partitioning into k clusters with minimum total cost and minimum of the maximum cost of a cluster. The cost function is given by an oracle, and we ...
STACS
2010
Springer
15 years 4 months ago
2010
Springer
In 2000 Alber et al. [SWAT 2000 ] obtained the first parameterized subexponential algorithm on undirected planar graphs by showing that k-DOMINATING SET is solvable in time 2O( ...
LATIN
1998
Springer
15 years 2 months ago
1998
Springer
The problem of approximate pattern matching on hypertext is de ned and solved by Amir et al. in O(m(nlogm + e)) time, where m is the length of the pattern, n is the total text size...