Positive solutions for (p, q)-equations with convection and a sign-changing reaction
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Abstract We consider a nonlinear Dirichlet problem driven by the (p, q)-Laplacian and with a reaction which is dependent on the gradient. We look for positive solutions and we do not assume that the reaction is nonnegative. Using a mixture of variational and topological methods (the "frozen variable" technique), we prove the existence of a positive smooth solution.
Multiple positive solutions for a nonlinear Dirichlet problem with non-convex vector-valued response
2005 ◽
Vol 135
(1)
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pp. 105-117
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2010 ◽
Vol 369
(2)
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pp. 719-729
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2015 ◽
Vol 17
(06)
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pp. 1550056
2020 ◽
Vol 10
(1)
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pp. 217-232
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2014 ◽
Vol 409
(2)
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pp. 925-933
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