BOUNDARY REGULARITY FOR QUASILINEAR ELLIPTIC SYSTEMS

2002 ◽  
Vol 27 (11-12) ◽  
pp. 2491-2512 ◽  
Author(s):  
Joseph F. Grotowski
2013 ◽  
Vol 2013 ◽  
pp. 1-8
Author(s):  
Shuhong Chen ◽  
Zhong Tan

We consider boundary regularity for weak solutions of second-order quasilinear elliptic systems under natural growth condition with super quadratic growth and obtain a general criterion for a weak solution to be regular in the neighborhood of a given boundary point. Combined with existing results on interior partial regularity, this result yields an upper bound on the Hausdorff dimension of the singular set at the boundary.


2018 ◽  
Vol 7 (4) ◽  
pp. 425-447 ◽  
Author(s):  
Lorenzo D’Ambrosio ◽  
Enzo Mitidieri

AbstractThe paper is concerned with a priori estimates of positive solutions of quasilinear elliptic systems of equations or inequalities in an open set of {\Omega\subset\mathbb{R}^{N}} associated to general continuous nonlinearities satisfying a local assumption near zero. As a consequence, in the case {\Omega=\mathbb{R}^{N}}, we obtain nonexistence theorems of positive solutions. No hypotheses on the solutions at infinity are assumed.


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