scholarly journals Hölder continuity of the solutions of some non-linear elliptic systems

1983 ◽  
Vol 48 (1) ◽  
pp. 16-43 ◽  
Author(s):  
Sergio Campanato
Keyword(s):  
Hölder Continuity ◽  
Elliptic Systems ◽  
Holder Continuity ◽  
Non Linear

scholarly journals Partial Hölder continuity for nonlinear sub-elliptic systems with VMO-coefficients in the Heisenberg group

2018 ◽  
Vol 7 (1) ◽  
pp. 97-116 ◽  
Author(s):  
Jialin Wang ◽  
Juan J. Manfredi
Keyword(s):  
Heisenberg Group ◽  
Weak Solutions ◽  
Hölder Continuity ◽  
Harmonic Approximation ◽  
Elliptic Systems ◽  
Natural Growth ◽  
Holder Continuity ◽  
Model Case ◽  
Horizontal Gradients ◽  
Vmo Coefficients

AbstractWe consider nonlinear sub-elliptic systems with VMO-coefficients in the Heisenberg group and prove partial Hölder continuity results for weak solutions using a generalization of the technique of {\mathcal{A}}-harmonic approximation. The model case is the following non-degenerate p-sub-Laplace system with super-quadratic natural growth with respect to the horizontal gradients Xu:-\sum_{i=1}^{2n}X_{i}\bigl{(}a(\xi\/)(1+|Xu|^{2})^{{(p-2)/2}}X_{i}u^{\alpha}% \bigr{)}=f^{\alpha},\quad\alpha=1,2,\ldots,N,where {a(\xi\/)\in\mathrm{VMO}} and {2<p<\infty}.

Continuity of the derivatives of solutions related to elliptic systems

2006 ◽  
Vol 136 (5) ◽  
pp. 1027-1039 ◽  
Author(s):  
Maria Alessandra Ragusa
Keyword(s):  
Lower Order ◽  
Morrey Space ◽  
Hölder Continuity ◽  
Elliptic Systems ◽  
Discontinuous Coefficients ◽  
Local Solution ◽  
Holder Continuity ◽  
Derivatives Of ◽  
Local Hölder Continuity

We consider elliptic systems with discontinuous coefficients and prove that if the known term belongs to the Morrey space Lp,λ, then the highest-order derivatives of the local solution belong to the same space. We also obtain local Hölder continuity for lower-order derivatives.

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