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Science 16 April 1993:
Vol. 260. no. 5106, pp. 335 - 337
DOI: 10.1126/science.260.5106.335
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Articles

Pattern Recognition in Coupled Chemical Kinetic Systems

A. Hjelmfelt 1, F. W. Schneider 1, and J. Ross 2

1 Institute of Physical Chemistry, University of Würzburg, Marcusstrasse 9/11, D-8700 Würzburg, Germany
2 Department of Chemistry, Stanford University, Stanford, CA 94305

A network of open, bistable reaction systems coupled by mass transfer is simulated. The mass transfer rates are determined by a Hebb-type rule, and the programmable network can store patterns of high and low concentrations in each bistable system. In a parallel computation, the network recognizes patterns similar, but not necessarily identical, to stored patterns.

Submitted on November 10, 1992
Accepted on February 10, 1993

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Science. ISSN 0036-8075 (print), 1095-9203 (online)