Abstract
(p, q)-Nonlinear elliptic equations are considered, where p, q, p \( < \) q, characterize the growth with respect to the gradient of eigenvalues of the principle matrix. Under the condition \(2 \leqslant p < q, q - p < \frac{2}{{n^2 + n}}p\) an a priori estimate for the maximum of the modulus of the gradient of a solution to the Dirichlet problem is obtained. Bibliography: 8 titles.
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Nezhinskaya, I.V. Boundary Estimate for the Gradient of a Solution to the Dirichlet Problem for (p,q)-Nonlinear Equations. Journal of Mathematical Sciences 120, 1145–1154 (2004). https://doi.org/10.1023/B:JOTH.0000014843.14646.2b
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DOI: https://doi.org/10.1023/B:JOTH.0000014843.14646.2b