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Ji, DY; Hu, BL; Chen, TL; Ji, DY , NANKAI UNIV,DEPT PHYS,TIANJIN 300071,PEOPLES R CHINA.
Dynamics of a neural network model with finite connectivity and cycle stored patterns
Source PublicationPHYSICA A
KeywordPhase-transitions Memory Automata Search
AbstractThe spatiotemporal evolution and memory retrieval properties of a Hopfield-like neural network with cycle-stored patterns and finite connectivity are studied. The analytical studies on a mean-field version show that, given the number of stored patterns p, there is a critical connectivity k(c) such that the retrieval states are stable Bred points if and only if k > k(c). The dependence of k(c) on the number of stored patterns is also present. The numerical simulations are applied to the short-ranged model with local interaction. It is revealed that, given p, the memory retrieval function is kept if the connectivity is high enough while the dynamics of the system is in the frozen phase. However when the connectivity k is less than a critial value k(c) the system is in the chaotic phase and loses its memory retrieval ability. The critical points of both the dynamical phase transition and memory-loss phase transition are obtained by simulation data.
1996
ISSN0378-4371
Volume229Issue:2Pages:147-165
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12607
Collection理论物理所科研产出_SCI论文
Corresponding AuthorJi, DY , NANKAI UNIV,DEPT PHYS,TIANJIN 300071,PEOPLES R CHINA.
Recommended Citation
GB/T 7714
Ji, DY,Hu, BL,Chen, TL,et al. Dynamics of a neural network model with finite connectivity and cycle stored patterns[J]. PHYSICA A,1996,229(2):147-165.
APA Ji, DY,Hu, BL,Chen, TL,&Ji, DY , NANKAI UNIV,DEPT PHYS,TIANJIN 300071,PEOPLES R CHINA..(1996).Dynamics of a neural network model with finite connectivity and cycle stored patterns.PHYSICA A,229(2),147-165.
MLA Ji, DY,et al."Dynamics of a neural network model with finite connectivity and cycle stored patterns".PHYSICA A 229.2(1996):147-165.
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