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» On Skolemization in constructive theories
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AML
2005
101views more  AML 2005»
14 years 11 months ago
Forcing and antifoundation
It is proved that the forcing apparatus can be built and set to work in ZFCA (=ZFC minus foundation plus the antifoundation axiom AFA). The key tools for this construction are gre...
Athanassios Tzouvaras
IPL
2007
99views more  IPL 2007»
14 years 11 months ago
Substitutions into propositional tautologies
We prove that there is a polynomial time substitution (y1, . . . , yn) := g(x1, . . . , xk) with k << n such that whenever the substitution instance A(g(x1, . . . , xk)) of ...
Jan Krajícek
TIFS
2008
157views more  TIFS 2008»
14 years 11 months ago
Subspace Approximation of Face Recognition Algorithms: An Empirical Study
We present a theory for constructing linear subspace approximations to face-recognition algorithms and empirically demonstrate that a surprisingly diverse set of face-recognition a...
Pranab Mohanty, Sudeep Sarkar, Rangachar Kasturi, ...
TVCG
2008
192views more  TVCG 2008»
14 years 11 months ago
Anisotropic Noise Samples
We present a practical approach to generate stochastic anisotropic samples with Poisson-disk characteristic over a two-dimensional domain. In contrast to isotropic samples, we unde...
Louis Feng, Ingrid Hotz, Bernd Hamann, Kenneth I. ...
AMAI
2000
Springer
14 years 11 months ago
The logic of events
An event space is a set of instantaneous events that vary both in time and specificity. The concept of an event space provides a foundation for a logical--i.e., modular and open-a...
Glenn Shafer, Peter R. Gillett, Richard B. Scherl