Permanence in logistic and Lotka-Volterra systems with dispersal and time delays.
Cui, Jingan, Guo, Mingna (2005)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Cui, Jingan, Guo, Mingna (2005)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Yanling Tian (2014)
Applications of Mathematics
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A diffusive delayed predator-prey model with modified Leslie-Gower and Holling-type II schemes is considered. Local stability for each constant steady state is studied by analyzing the eigenvalues. Some simple and easily verifiable sufficient conditions for global stability are obtained by virtue of the stability of the related FDE and some monotonous iterative sequences. Numerical simulations and reasonable biological explanations are carried out to illustrate the main results and the...
Wang, Jing, Wang, Ke (2006)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Joon Hyuk Kang, Jungho Lee (2010)
Czechoslovak Mathematical Journal
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The existence of a positive solution for the generalized predator-prey model for two species are investigated. The techniques used in the paper are the elliptic theory, upper-lower solutions, maximum principles and spectrum estimates. The arguments also rely on some detailed properties of the solution of logistic equations.
Avila-Vales, Eric, Estrella, Angel G., Hernandez-Pinzon, Javier A. (2008)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Quang, Ta Hong, Ton, Ta Viet, Linh, Nguyen Thi Hoai (2009)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Guerrini, Luca (2010)
APPS. Applied Sciences
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Marquet, Catherine Bouloux (2004)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Dhar, Joydip, Sharma, Anuj Kumar, Tegar, Sandeep (2008)
The Journal of Nonlinear Sciences and its Applications
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Tomasz Praczyk (2007)
International Journal of Applied Mathematics and Computer Science
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The paper presents a new Artificial Neural Network (ANN) encoding method called Assembler Encoding (AE). It assumes that the ANN is encoded in the form of a program (Assembler Encoding Program, AEP) of a linear organization and of a structure similar to the structure of a simple assembler program. The task of the AEP is to create a Connectivity Matrix (CM) which can be transformed into the ANN of any architecture. To create AEPs, and in consequence ANNs, genetic algorithms (GAs) are...