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Arithmetical hierarchy

Known as: Pi-0-1 sentences, Arithmetical reducibility, AH (complexity) 
In mathematical logic, the arithmetical hierarchy, arithmetic hierarchy or Kleene–Mostowski hierarchy classifies certain sets based on the complexity… 
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Papers overview

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2019
2019
In this paper we concentrate on a limitation of the BLR (Blum-Luby-Rubinfeld) linearity test on a Boolean function f , which… 
2014
2014
In this thesis we investigate – under the assumption of the Axiom of Determinacy (AD) – the structure of the hierarchy of regular… 
2010
2010
Community Question Answering (CQA) services have evolved into a popular way of information seeking and providing. User-posted… 
2010
2010
(2) gitl,b, ••', £r\), Ä(|lJi, 1}2, •••, TJ.) exist and are determinate for all integral values of the x, y in £, 77 respectively… 
2008
2008
For some gray-level images, the boundary between the foreground and the background is perceived in correspondence with the… 
Review
2005
Review
2005
Linnell, J. D. C. 2005. Spatial aspects of managing natural resources and conserving biodiversity. Integrating the global and the… 
2004
2004
The paper presents Colored Multiplanar Link Grammars (CMLG). These grammars are reducible to extended right-linear S-grammars… 
1999
1999
In a fragment published with his lost notebook 25, pp. 353{355], Ramanujan provided a list of twenty identities involving Lambert… 
1994
1994
In this paper we apply the idea of Revision Rules, originally developed within the framework of the theory of truth and later… 
1989
1989
A constructive approach to fuzzy set theory requires an extension to fuzzy subsets of the basic notions of recursiveness theory…