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AUTOMATICA
2007
70views more  AUTOMATICA 2007»
14 years 12 months ago
On detectability of stochastic systems
We discuss notions of detectability for stochastic linear control systems of Itˆo type. A natural concept of detectability requires a non-zero output, if the state process is uns...
Tobias Damm
APAL
2005
119views more  APAL 2005»
14 years 11 months ago
Elementary arithmetic
Abstract. There is a very simple way in which the safe/normal variable discipline of Bellantoni-Cook recursion (1992) can be imposed on arithmetical theories like PA: quantify over...
Geoffrey E. Ostrin, Stanley S. Wainer
APAL
2004
111views more  APAL 2004»
14 years 11 months ago
Concept lattices and order in fuzzy logic
The theory of concept lattices (i.e. hierarchical structures of concepts in the sense of Port-Royal school) is approached from the point of view of fuzzy logic. The notions of par...
Radim Belohlávek
CORR
1999
Springer
104views Education» more  CORR 1999»
14 years 11 months ago
Brittle System Analysis
The goal of this paper is to define and analyze systems which exhibit brittle behavior. This behavior is characterized by a sudden and steep decline in performance as the system s...
Stephen F. Bush, John E. Hershey, Kirby Vosburgh
MLQ
1998
61views more  MLQ 1998»
14 years 11 months ago
Extracting Algorithms from Intuitionistic Proofs
This paper presents a new method – which does not rely on the cut-elimination theorem – for characterizing the provably total functions of certain intuitionistic subsystems of ...
Fernando Ferreira, António Marques