Recently, models of neural networks in the real domain have been extended into the high dimensional domain such as the complex and quaternion domain, and several high-dimensional models have been proposed. These extensions are generalized by introducing Clifford algebra (geometric algebra). In this paper we extend conventional real-valued models of recurrent neural networks into the domain defined by Clifford algebra and discuss their dynamics. We present models of fully connected recurrent neural networks, which are extensions of the real-valued Hopfield type neural networks to the domain defined by Clifford algebra. We study dynamics of the models from the point view of existence conditions of an energy function. We derive existence conditions of an energy function for two classes of the Hopfield type Clifford neural networks. © 2011 Springer-Verlag.
CITATION STYLE
Kuroe, Y., Tanigawa, S., & Iima, H. (2011). Models of Hopfield-type Clifford neural networks and their energy functions - Hyperbolic and dual valued networks. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 7062 LNCS, pp. 560–569). https://doi.org/10.1007/978-3-642-24955-6_67
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