562 search results - page 12 / 113 » Approximation algorithms and hardness of the k-route cut pro... |
STOC
1995
ACM
13 years 11 months ago
1995
ACM
We present a unified framework for designing polynomial time approximation schemes (PTASs) for “dense” instances of many NP-hard optimization problems, including maximum cut,...
CVPR
2006
IEEE
14 years 2 months ago
2006
IEEE
This paper adds a number of novel concepts into global s/t cut methods improving their efficiency and making them relevant for a wider class of applications in vision where algor...
SODA
2012
ACM
11 years 10 months ago
2012
ACM
Consider the problem of pricing n items under an unlimited supply with m buyers. Each buyer is interested in a bundle of at most k of the items. These buyers are single minded, wh...
CVPR
1998
IEEE
14 years 10 months ago
1998
IEEE
Markov Random Fields (MRF's) can be used for a wide variety of vision problems. In this paper we focus on MRF's with two-valued clique potentials, which form a generaliz...
MP
2006
13 years 8 months ago
2006
Mixed integer programming (MIP) formulations are typically tightened through the use of a separation algorithm and the addition of violated cuts. Using extended formulations involv...