Abstract
We establish an a priori gradient estimate for the solutions of the quasilinear p(x)-Laplace equation Δp(x) u = 0.
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Challal, S., Lyaghfouri, A. Gradient estimates for p(x)-harmonic functions. manuscripta math. 131, 403–414 (2010). https://doi.org/10.1007/s00229-009-0326-8
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DOI: https://doi.org/10.1007/s00229-009-0326-8