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Author:

Zhang, Yan (Zhang, Yan.) | Qiao, Yuanhua (Qiao, Yuanhua.) (Scholars:乔元华) | Duan, Lijuan (Duan, Lijuan.) | Miao, Jun (Miao, Jun.)

Indexed by:

EI Scopus SCIE

Abstract:

This paper addresses the problem of multistability of competitive neural networks with nonlinear, non-monotonic piecewise activation functions and time-varying delays. Several sufficient conditions are proposed to guarantee the existence of (2K+1)n$$ {\left(2K+1\right)}<^>n $$ equilibrium points and the locally exponential stability of (K+1)n$$ {\left(K+1\right)}<^>n $$ equilibrium points, where K$$ K $$ is a positive integer and determined by the property of activation functions and the parameters of neural networks. The quantitative relationship between the equilibrium points of the system and the zero roots of the bounding functions is given. In addition, the attraction basins of the exponentially stable equilibrium points are obtained. Finally, a numerical simulation is given to illustrate the effectiveness of the obtained results.

Keyword:

competitive neural networks multistability non-monotonic piecewise nonlinear activation functions time-varying delays

Author Community:

  • [ 1 ] [Zhang, Yan]Beijing Univ Technol, Fac Sci, Beijing 100124, Peoples R China
  • [ 2 ] [Qiao, Yuanhua]Beijing Univ Technol, Fac Sci, Beijing 100124, Peoples R China
  • [ 3 ] [Duan, Lijuan]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 4 ] [Miao, Jun]Beijing Informat Sci & Technol Univ, Sch Comp Sci, Beijing 100101, Peoples R China

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Source :

MATHEMATICAL METHODS IN THE APPLIED SCIENCES

ISSN: 0170-4214

Year: 2022

Issue: 16

Volume: 45

Page: 10295-10311

2 . 9

JCR@2022

2 . 9 0 0

JCR@2022

ESI Discipline: MATHEMATICS;

ESI HC Threshold:20

JCR Journal Grade:1

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 2

SCOPUS Cited Count: 3

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 17

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