Stochastic resonance: Informational aspects
and distributed systems
L. Schimansky-Geier 
, J. Freund , U. Siewert , and A. Neiman 
Humboldt-University at Berlin, Germany;
Saratov State University, Russia
We study stochastic resonance within information theory. We investigate the relation
between the in- and output of a Schmitt-trigger. Both input- and output-signals are
converted into binary sequences. Dynamical entropies and the Kullback information
exhibit extrema for values where stochastic resonance takes place.
The second part is devoted to stochastic resonance phenomena of propagating waves
in distributed media. We show numerically and analytically the ability of
active and bistable media to amplify pattern by changing the noise intensity
in the media.
Cooperation with W. Ebeling , B. Shulgin , V. Anishchenko and
M. Otto is highly appreciated.