2957 search results - page 46 / 592 » The Complexity of Polynomial-Time Approximation |
CORR
1999
Springer
13 years 7 months ago
1999
Springer
It is known that for any class C closed under union and intersection, the Boolean closure of C, the Boolean hierarchy over C, and the symmetric difference hierarchy over C all are ...
AAIM
2007
Springer
14 years 1 months ago
2007
Springer
Given an undirected graph G = (V, E) and a weight function w : E → Z+ , we consider the problem of orienting all edges in E so that the maximum weighted outdegree among all verti...
FOCS
2004
IEEE
13 years 11 months ago
2004
IEEE
Given an undirected multigraph G and a subset of vertices S V (G), the STEINER TREE PACKING problem is to find a largest collection of edge-disjoint trees that each connects S. T...
WINE
2010
Springer
13 years 5 months ago
2010
Springer
We design algorithms for computing approximately revenue-maximizing sequential postedpricing mechanisms (SPM) in K-unit auctions, in a standard Bayesian model. A seller has K copi...
SODA
2010
ACM
14 years 5 months ago
2010
ACM
If a two-player social welfare maximization problem does not admit a PTAS, we prove that any maximal-in-range truthful mechanism that runs in polynomial time cannot achieve an app...