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Parallel dynamics of the asymmetric extremely diluted Ashkin-Teller neural network |
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| Authors: | D. Bollé G. Jongen |
| Affiliation: | (1) Instituut voor Theoretische Fysica, KU Leuven, 3001 Leuven, Belgium, BE |
| Abstract: | The parallel dynamics of the asymmetric extremely diluted Ashkin-Teller neural network is studied using signal-to-noise analysis techniques. Evolution equations for the order parameters are derived, both at zero and finite temperature. The retrieval properties of the network are discussed in terms of the four-spin coupling strength and the temperature. It is shown that the presence of a four-spin coupling enhances the retrieval quality. Received 10 November 1999 |
| Keywords: | PACS. 64.60.Cn Order-disorder transformations statistical mechanics of model systems - 75.10.Hk Classical spin models - 87.10.+e General, theoretical and mathematical biophysics - 02.50.-r Probability theory, stochastic processes, and statistics |
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