1. Bifurcation analysis in an associative memory model
- Author
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Kawamura, Masaki, Tokunaga, Ryuji, and Okada, Masato
- Subjects
Condensed Matter - Disordered Systems and Neural Networks - Abstract
We previously reported the chaos induced by the frustration of interaction in a non-monotonic sequential associative memory model, and showed the chaotic behaviors at absolute zero. We have now analyzed bifurcation in a stochastic system, namely a finite-temperature model of the non-monotonic sequential associative memory model. We derived order-parameter equations from the stochastic microscopic equations. Two-parameter bifurcation diagrams obtained from those equations show the coexistence of attractors, which do not appear at absolute zero, and the disappearance of chaos due to the temperature effect., Comment: 19 pages
- Published
- 2003
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