Sciweavers

1672 search results - page 94 / 335
» Tightness problems in the plane
Sort
View
CORR
2007
Springer
128views Education» more  CORR 2007»
13 years 9 months ago
Equivalence of LP Relaxation and Max-Product for Weighted Matching in General Graphs
— Max-product belief propagation is a local, iterative algorithm to find the mode/MAP estimate of a probability distribution. While it has been successfully employed in a wide v...
Sujay Sanghavi
FOCS
2003
IEEE
14 years 2 months ago
Polynomial Degree vs. Quantum Query Complexity
The degree of a polynomial representing (or approximating) a function f is a lower bound for the quantum query complexity of f. This observation has been a source of many lower bo...
Andris Ambainis
WAW
2010
Springer
269views Algorithms» more  WAW 2010»
13 years 6 months ago
A Sharp PageRank Algorithm with Applications to Edge Ranking and Graph Sparsification
We give an improved algorithm for computing personalized PageRank vectors with tight error bounds which can be as small as (n-p ) for any fixed positive integer p. The improved Pag...
Fan Chung, Wenbo Zhao
CRYPTO
2007
Springer
130views Cryptology» more  CRYPTO 2007»
14 years 3 months ago
A Security Analysis of the NIST SP 800-90 Elliptic Curve Random Number Generator
An elliptic curve random number generator (ECRNG) has been approved in a NIST standards and proposed for ANSI and SECG draft standards. This paper proves that, if three conjecture...
Daniel R. L. Brown, Kristian Gjøsteen
CPAIOR
2008
Springer
13 years 10 months ago
The Accuracy of Search Heuristics: An Empirical Study on Knapsack Problems
Theoretical models for the evaluation of quickly improving search strategies, like limited discrepancy search, are based on specific assumptions regarding the probability that a va...
Daniel H. Leventhal, Meinolf Sellmann