Dirichlet problem for quasi-linear elliptic equations.
Baalal, Azeddine, Rhouma, Nedra BelHaj (2002)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Baalal, Azeddine, Rhouma, Nedra BelHaj (2002)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Nguyen Thanh Chung (2011)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Kandilakis, Dimitrios A., Sidiropoulos, Nikolaos E. (2006)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Vincenzo Ferone, Basilio Messano (2004)
Revista Matemática Complutense
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We consider a solution u of the homogeneous Dirichlet problem for a class of nonlinear elliptic equations in the form A(u) = g(x,u) + f, where the principal term is a Leray-Lions operator defined on W (Ω). The function g(x,u) satisfies suitable growth assumptions, but no sign hypothesis on it is assumed. We prove that the rearrangement of u can be estimated by the solution of a problem whose data are radially symmetric.
Augsburger, Fabien, Hungerbuehler, Norbert (2004)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Stanisław Brzychczy (1993)
Annales Polonici Mathematici
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Consider a nonlinear differential-functional equation (1) Au + f(x,u(x),u) = 0 where , , G is a bounded domain with (0 < α < 1) boundary, the operator A is strongly uniformly elliptic in G and u is a real function. For the equation (1) we consider the Dirichlet problem with the boundary condition (2) u(x) = h(x) for x∈ ∂G. We use Chaplygin’s method [5] to prove that problem (1), (2) has at least one regular solution in a suitable class of functions. Using the method of upper...
Mâagli, Habib, Turki, Sameh, Zeddini, Noureddine (2009)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Birindelli, Isabeau, Demengel, Françoise (2002)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Bachar, Imed, Mâagli, Habib, Zribi, Malek (2005)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Korkut, Luka, Pašić, Mervan, Žubrinić, Darko (2002)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Coclite, Giuseppe Maria, Coclite, Mario Michele (2006)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Wu, Tsung-fang (2006)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Bachar, Imed, Mâagli, Habib, Mâatoug, Lamia (2002)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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