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ALGORITHMICA
2005
14 years 9 months ago
2005
Abstract. We consider the problem of approximating a polygonal curve
SODA
2000
ACM
14 years 10 months ago
2000
ACM
WADS
2005
Springer
15 years 3 months ago
2005
Springer
We present efficient approximation algorithms for a number of problems that call for computing the prices that maximize the revenue of the seller on a set of items. Algorithms for ...
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WADS
2007
Springer
15 years 3 months ago
2007
Springer
We present a polynomial-time approximation scheme (PTAS) for the Steiner tree problem with polygonal obstacles in the plane with running time O(n log2 n), where n denotes the numb...
SIAMCOMP
1998
14 years 9 months ago
1998
This paper introduces a near-linear time sequential algorithm for constructing a sparse neighborhood cover. This implies analogous improvements (from quadratic to near-linear time)...