Nonzero positive solutions of systems of elliptic boundary value problems

Lan, K.

doi:10.1090/S0002-9939-2011-10840-2

Nonzero positive solutions of systems of elliptic boundary value problems
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by K. Q. Lan

Proc. Amer. Math. Soc. 139 (2011), 4343-4349

DOI: https://doi.org/10.1090/S0002-9939-2011-10840-2

Published electronically: April 4, 2011

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Abstract:

A new result on existence of nonzero positive solutions of systems of second order elliptic boundary value problems is obtained under some sublinear conditions involving the principle eigenvalues of the corresponding linear systems. Results on eigenvalue problems of such elliptic systems are derived and generalize some previous results on the eigenvalue problems of systems of Laplacian elliptic equations. Applications of our results are given to two such systems with specific nonlinearities.

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