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» The Optimal Path-Matching Problem
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SODA
2010
ACM
234views Algorithms» more  SODA 2010»
15 years 10 months ago
PTAS for maximum weight independent set problem with random weights in bounded degree graphs
Finding the largest independent set in a graph is a notoriously difficult NP-complete combinatorial optimization problem. Moreover, even for graphs with largest degree 3, no polyn...
David Gamarnik, David Goldberg, Theophane Weber
101
Voted
LATIN
2000
Springer
15 years 4 months ago
The LCA Problem Revisited
We present a very simple algorithm for the Least Common Ancestor problem. We thus dispel the frequently held notion that an optimal LCA computation is unwieldy and unimplementable...
Michael A. Bender, Martin Farach-Colton
83
Voted
SIAMSC
2008
106views more  SIAMSC 2008»
15 years 15 days ago
Multilevel Linear Sampling Method for Inverse Scattering Problems
A novel multilevel algorithm is presented for implementing the widely used linear sampling method in inverse obstacle scattering problems. The new method is shown to possess asympt...
Jingzhi Li, Hongyu Liu, Jun Zou
117
Voted
GPEM
2002
163views more  GPEM 2002»
15 years 11 days ago
Fast Ant Colony Optimization on Runtime Reconfigurable Processor Arrays
Ant Colony Optimization (ACO) is a metaheuristic used to solve combinatorial optimization problems. As with other metaheuristics, like evolutionary methods, ACO algorithms often sh...
Daniel Merkle, Martin Middendorf
NECO
1998
171views more  NECO 1998»
15 years 7 days ago
Constrained Optimization for Neural Map Formation: A Unifying Framework for Weight Growth and Normalization
three different levels of abstraction: detailed models including ctivity dynamics, weight dynamics that abstract from the neural activity dynamics by an adiabatic approximation, an...
Laurenz Wiskott, Terrence J. Sejnowski