1672 search results - page 18 / 335 » Tightness problems in the plane |
SIGECOM
2008
ACM
13 years 7 months ago
2008
ACM
We provide tight information-theoretic lower bounds for the welfare maximization problem in combinatorial auctions. In this problem, the goal is to partition m items among k bidde...
SIAMCOMP
1998
13 years 7 months ago
1998
This paper continues the investigation of the connection between probabilistically checkable proofs (PCPs) and the approximability of NP-optimization problems. The emphasis is on p...
ECCC
2010
13 years 6 months ago
2010
We study the problem of testing isomorphism (equivalence up to relabelling of the variables) of two Boolean functions f, g : {0, 1}n → {0, 1}. Our main focus is on the most stud...
JACM
2007
13 years 7 months ago
2007
A flow of a commodity is said to be confluent if at any node all the flow of the commodity leaves along a single edge. In this paper we study single-commodity confluent flow pro...
ECCV
2010
Springer
14 years 16 days ago
2010
Springer
We present a novel dual decomposition approach to MAP inference with highly connected discrete graphical models. Decompositions into cyclic k-fan structured subproblems are shown t...