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SCHOLARPEDIA
2008
73views more  SCHOLARPEDIA 2008»
14 years 9 months ago
Sharkovsky ordering
ABSTRACT. We give a proof of the Sharkovsky Theorem that is selfcontained, short and direct and that illuminates the doubling structure of the Sharkovsky ordering.
Aleksandr Nikolayevich Sharkovsky
TLCA
2009
Springer
15 years 4 months ago
Relating Classical Realizability and Negative Translation for Existential Witness Extraction
Friedman showed how to turn a classical proof of a Σ0 1 formula into an intuitionistic proof of the same formula, thus giving an effective method to extract witnesses from classi...
Alexandre Miquel
CC
2010
Springer
112views System Software» more  CC 2010»
14 years 4 months ago
Random Cnf's are Hard for the Polynomial Calculus
We show a general reduction that derives lower bounds on degrees of polynomial calculus proofs of tautologies over any field of characteristic other than 2 from lower bounds for r...
Eli Ben-Sasson, Russell Impagliazzo
NIPS
2008
14 years 11 months ago
On the asymptotic equivalence between differential Hebbian and temporal difference learning using a local third factor
In this theoretical contribution we provide mathematical proof that two of the most important classes of network learning - correlation-based differential Hebbian learning and rew...
Christoph Kolodziejski, Bernd Porr, Minija Tamosiu...
ANOR
2002
67views more  ANOR 2002»
14 years 9 months ago
An Improved Hybrid Model for the Generic Hoist Scheduling Problem
Abstract. The generic hoist scheduling problem is NP-hard and arises from automated manufacturing lines. In recent work using the constraint logic programming (CLP) formalism, a un...
Daniel Riera, Neil Yorke-Smith