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» On the Complexity of Function Learning
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ECCC
2010
117views more  ECCC 2010»
14 years 11 months ago
Nearly Tight Bounds for Testing Function Isomorphism
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...
Sourav Chakraborty, David García-Soriano, A...
BMCBI
2008
71views more  BMCBI 2008»
15 years 1 months ago
A tale of two symmetrical tails: Structural and functional characteristics of palindromes in proteins
Background: It has been previously shown that palindromic sequences are frequently observed in proteins. However, our knowledge about their evolutionary origin and their possible ...
Armita Sheari, Mehdi Kargar, Ali Katanforoush, Sha...
JCT
2000
103views more  JCT 2000»
15 years 28 days ago
A Combinatorial Algorithm Minimizing Submodular Functions in Strongly Polynomial Time
We give a strongly polynomial-time algorithm minimizing a submodular function f given by a value-giving oracle. The algorithm does not use the ellipsoid method or any other linear ...
Alexander Schrijver
DIS
2001
Springer
15 years 5 months ago
Functional Trees
In the context of classification problems, algorithms that generate multivariate trees are able to explore multiple representation languages by using decision tests based on a com...
Joao Gama
ICANN
2005
Springer
15 years 6 months ago
Image Segmentation by Complex-Valued Units
Spike synchronisation and de-synchronisation are important for feature binding and separation at various levels in the visual system. We present a model of complex valued neuron ac...
Cornelius Weber, Stefan Wermter