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Keywords:
nonlinear elliptic systems; regularity
nonlinear elliptic systems; regularity
Summary:
It is shown in this paper that gradient of vector valued function $ u(x), $ solution of a nonlinear elliptic system, cannot be too close to a straight line without $ u(x) $ being regular.
References:
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[5] Nečas, J.: Introduction to the theory of nonlinear elliptic equations. Teubner-Texte zur Math., Leipzig, 1983. MR 0731261
[6] Nečas, J., Stará, J.: Principio di massimo per i sistemi ellitici quasilineari non diagonali. Bol.U.M.I. (4)6 (1972), 1–10. MR 0315281
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