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- Title
Towards a unified recurrent neural network theory: The uniformly pseudo-projection-anti-monotone net.
- Authors
Xu, Zong; Qiao, Chen
- Abstract
In the past decades, various neural network models have been developed for modeling the behavior of human brain or performing problem-solving through simulating the behavior of human brain. The recurrent neural networks are the type of neural networks to model or simulate associative memory behavior of human being. A recurrent neural network (RNN) can be generally formalized as a dynamic system associated with two fundamental operators: one is the nonlinear activation operator deduced from the input-output properties of the involved neurons, and the other is the synaptic connections (a matrix) among the neurons. Through carefully examining properties of various activation functions used, we introduce a novel type of monotone operators, the uniformly pseudo-projectionanti-monotone (UPPAM) operators, to unify the various RNN models appeared in the literature. We develop a unified encoding and stability theory for the UPPAM network model when the time is discrete. The established model and theory not only unify but also jointly generalize the most known results of RNNs. The approach has lunched a visible step towards establishment of a unified mathematical theory of recurrent neural networks.
- Subjects
ARTIFICIAL neural networks; GRAPHICAL projection; MONOTONE operators; MATHEMATICAL models; PROBLEM solving; ASSOCIATIVE storage; SIMULATION methods &; models
- Publication
Acta Mathematica Sinica, 2011, Vol 27, Issue 2, p377
- ISSN
1439-8516
- Publication type
Article
- DOI
10.1007/s10114-011-0598-2