A SIMPLE MODEL WITH STRONG ASYMMETRIC COUPLINGS

Américo T. Bernardes and Hans J. Herrmann
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Américo T. Bernardes: Instituto de Física, Universidade de São Paulo, C.P. 20516, 01498 São Paulo, SP, Brazil
Hans J. Herrmann: HLRZ, Forschungszentrum Jülich GmbH, Postfach 1913, D-5170 Jülich, Germany

International Journal of Modern Physics C (IJMPC), 1993, vol. 04, issue 04, 765-774

Abstract: In this paper an Ising model on a random lattice with strongly asymmetric couplings inspired by neural networks is studied. We investigate the phase space structure and find evidence for an ultrametric, "multivalley" structure as observed in disordered magnetic systems. We have calculated the size of the basins of attraction.

Keywords: Spin Glass; Asymmetric Models; Neural Networks; Ising Models (search for similar items in EconPapers)
Date: 1993
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Persistent link: https://EconPapers.repec.org/RePEc:wsi:ijmpcx:v:04:y:1993:i:04:n:s012918319300063x

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DOI: 10.1142/S012918319300063X

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