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Eigenvalues of a system of Fredholm integral equations

Authors
Journal
Mathematical and Computer Modelling
0895-7177
Publisher
Elsevier
Publication Date
Volume
39
Identifiers
DOI: 10.1016/s0895-7177(04)90536-5
Keywords
  • Eigenvalues
  • Constant-Sign Solutions
  • System Of Fredholm Integral Equations
  • Boundary Value Problems

Abstract

Abstract We consider the following system of Fredholm integral equations: u i=λ ∫ 0 1 g i(t,s)P i(s,u 1(s),u 2(s),…,u n(s))ds, tϵ[0,1], 1≤i≤n, where λ > 0. Our aim is to determine those values of λ such that the above system has a constant-sign solution. In addition, explicit intervals for λ will be presented. The generality of the results obtained is illustrated through applications to several well-known boundary value problems. We also extend the above problem to that on the half-line [0, ∞) u i=λ ∫ 0 ∞ g i(t,s)P i(s,u 1(s),u 2(s),…,u n(s))ds, tϵ[0,∞], 1≤i≤n, Finally, both the systems above are extended to the general case when λ is replaced by λ i.

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