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RSA
2000
104views more  RSA 2000»
13 years 7 months ago
Construction of expanders and superconcentrators using Kolmogorov complexity
We show the existence of various versions of expander graphs using Kolmogorov complexity. This method seems superior to the usual probabilistic construction. It turns out that the...
Uwe Schöning
ISAAC
2007
Springer
158views Algorithms» more  ISAAC 2007»
14 years 2 months ago
On the Expressive Power of Planar Perfect Matching and Permanents of Bounded Treewidth Matrices
Valiant introduced some 25 years ago an algebraic model of computation along with the complexity classes VP and VNP, which can be viewed as analogues of the classical classes P and...
Uffe Flarup, Pascal Koiran, Laurent Lyaudet
CORR
2010
Springer
249views Education» more  CORR 2010»
13 years 8 months ago
Lower Bounds on Near Neighbor Search via Metric Expansion
In this paper we show how the complexity of performing nearest neighbor (NNS) search on a metric space is related to the expansion of the metric space. Given a metric space we loo...
Rina Panigrahy, Kunal Talwar, Udi Wieder
SODA
1997
ACM
106views Algorithms» more  SODA 1997»
13 years 9 months ago
Optimal Bounds for Matching Routing on Trees
The permutation routing problem is studied for trees under the matching model. By introducing a novel and useful (so-called) caterpillar tree partition, we prove that any permutati...
Louxin Zhang
CAV
2000
Springer
89views Hardware» more  CAV 2000»
14 years 11 days ago
Tuning SAT Checkers for Bounded Model Checking
Abstract. Bounded Model Checking based on SAT methods has recently been introduced as a complementary technique to BDD-based Symbolic Model Checking. The basic idea is to search fo...
Ofer Strichman