On the smoothness of superharmonics which solve a minimum problem. (English) Zbl 0206.40702
MSC:
31B05 | Harmonic, subharmonic, superharmonic functions in higher dimensions |
References:
[1] | M. Brelot, Éléments de la Théorie Classique du Potentiel, Paris. · Zbl 0084.30903 |
[2] | Brezis, H.; Stampacchia, G., Sur la régularité de la solution d’inéquations elliptiques, Bull. Soc. Math. France, 96, 153-153 (1968) · Zbl 0165.45601 |
[3] | Lewy, H.; Stampacchia, G., On the regularity of the solution of a variational inequality, Comm. Pure Appl. Math., 22, 153-153 (1969) · Zbl 0167.11501 · doi:10.1002/cpa.3160220203 |
[4] | Besicovitch, A. S., A general form of the covering principle and relative differentiation of additive functions, Proc. Cambridge Phil. Soc., 41, 103-103 (1945) · Zbl 0063.00352 · doi:10.1017/S0305004100022453 |
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