Feed-forward chains of recurrent attractor neural networks with finite dilution near saturation

Details Feed-forward chains of recurrent attractor neural networks with finite dilution near saturation Feed-forward chains of recurrent attractor neural networks with finite dilution near saturation

2005-11-09

arxiv.org/abs/cond-mat/0511235v1

Physics

Condensed Matter

Disordered Systems and Neural Networks

To appear in Physica A

Scientific paper

10.1016/j.physa.2005.11.049

A stationary state replica analysis for a dual neural network model that interpolates between a fully recurrent symmetric attractor network and a strictly feed-forward layered network, studied by Coolen and Viana, is extended in this work to account for finite dilution of the recurrent Hebbian interactions between binary Ising units within each layer. Gradual dilution is found to suppress part of the phase transitions that arise from the competition between recurrent and feed-forward operation modes of the network. Despite that, a long chain of layers still exhibits a relatively good performance under finite dilution for a balanced ratio between inter-layer and intra-layer interactions.

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