Lyapunov functions to Caputo reaction-diffusion fractional neural networks with time-varying delays
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Authors
R. P. Agarwal
- Department of Mathematics, Texas A\(\&\)M University-Kingsville, Kingsville, TX 78363, USA \(\&\) Distinguished University Professor of Mathematics, Florida Institute of Technology, Melbourne, FL 32901, USA
S. Hristova
- University of Plovdiv Paisii Hilendarski, Plovdiv, Bulgaria
Donal O'Regan
- School of Mathematics, Statistics and Applied Mathematics, National University of Ireland, Galway, Ireland
Abstract
A reaction diffusion equation with a Caputo fractional derivative in time and with time-varying
delays is considered. Stability properties of the solutions are studied via the direct Lyapunov method and arbitrary Lyapunov functions (usually quadratic Lyapunov functions are used). In this paper we give a brief overview of the most popular fractional order derivatives of Lyapunov functions among Caputo fractional delay differential equations. These derivatives are applied to various types of reaction-diffusion fractional neural network with variable coefficients and time-varying delays. We show the quadratic Lyapunov functions and their Caputo fractional derivatives are not applicable in some cases when one studies stability properties. Some sufficient conditions for stability are obtained and we illustrate our theory on a particular nonlinear Caputo reaction-diffusion fractional neural network with time dependent delays.
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ISRP Style
R. P. Agarwal, S. Hristova, Donal O'Regan, Lyapunov functions to Caputo reaction-diffusion fractional neural networks with time-varying delays, Journal of Mathematics and Computer Science, 18 (2018), no. 3, 328--345
AMA Style
Agarwal R. P., Hristova S., O'Regan Donal, Lyapunov functions to Caputo reaction-diffusion fractional neural networks with time-varying delays. J Math Comput SCI-JM. (2018); 18(3):328--345
Chicago/Turabian Style
Agarwal, R. P., Hristova, S., O'Regan, Donal. "Lyapunov functions to Caputo reaction-diffusion fractional neural networks with time-varying delays." Journal of Mathematics and Computer Science, 18, no. 3 (2018): 328--345
Keywords
- Reaction-diffusion fractional neural networks
- delays
- Caputo derivatives
- Lyapunov functions
- stability
- fractional derivative of Lyapunov functions
MSC
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