118 search results - page 16 / 24 » Complexity Cores and Hard Problem Instances |
STOC
2006
ACM
14 years 7 months ago
2006
ACM
We study the maximum edge-disjoint paths problem in undirected planar graphs: given a graph G and node pairs s1t1, s2t2, . . ., sktk, the goal is to maximize the number of pairs t...
ICML
1999
IEEE
14 years 8 months ago
1999
IEEE
E cient learning of DFA is a challenging research problem in grammatical inference. Both exact and approximate (in the PAC sense) identi ability of DFA from examples is known to b...
APPROX
2010
Springer
13 years 9 months ago
2010
Springer
We give a simple combinatorial proof of the Chernoff-Hoeffding concentration bound [Che52, Hoe63], which says that the sum of independent {0, 1}-valued random variables is highly ...
ICCV
2003
IEEE
14 years 19 days ago
2003
IEEE
The perception of transparent objects from images is known to be a very hard problem in vision. Given a single image, it is difficult to even detect the presence of transparent o...
FSTTCS
2010
Springer
13 years 5 months ago
2010
Springer
We study the propositional satisfiability problem (SAT) on classes of CNF formulas (formulas in Conjunctive Normal Form) that obey certain structural restrictions in terms of thei...