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Applied Mathematics

Andrews University

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Existence of positive solution

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Full-Text Articles in Physical Sciences and Mathematics

Positive Equilibrium Solutions To General Population Model, Joon Hyuk Kang Jul 2013

Positive Equilibrium Solutions To General Population Model, Joon Hyuk Kang

Faculty Publications

In this paper, we investigate conditions for the existence of positive solution to the following general elliptic system with various growth conditions: {Δu + u(a + g(u, v)) = 0 Δv + v(d + h(u, v)) = 0 u|∂ω=v|∂ω=0 in ω. Our arguments mainly rely on super-sub solutions, maximum principles, spectrum estimates, and some detailed properties for the solution of logistic equations. © 2013 Academic Publications, Ltd.