PubMed · 5914397
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J Levinson. 1966. One-stage model for visual temporal integration.. https://doi.org/10.1364/josa.56.000095
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In this Letter we extend the concept of stochastic resonance. We show that in forced excitable systems noise can be responsible for the appearance of recurrences presenting a robust topological organization inequivalent to the periodic orbits of the deterministic system. As in stochastic resonance, these new structures are most pronounced at an optimal noise intensity.
The terminology and the physical sense of percolation and permeability were analyzed. Existing theories of percolation and permeability were analytically compared with respect to their applicability and effectiveness. It is concluded that the main tendency in the development of the concept of percolation/permeability consists in the fundamental investigation of the relationship between the preparation conditions of the solid, its structural characteristics and measured properties - not only percolation/permeability but also adsorption, Hg-intrusion, etc.
Using a variational technique, we generalize the statistical physics approach of learning from random examples to make it applicable to real data. We demonstrate the validity and relevance of our method by computing approximate estimators for generalization errors that are based on training data alone.