Elliptic and parabolic BMO and Harnack’s inequality

Aimar, Hugo

doi:10.1090/S0002-9947-1988-0927690-8

Elliptic and parabolic BMO and Harnack’s inequality
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by Hugo Aimar PDF

Trans. Amer. Math. Soc. 306 (1988), 265-276 Request permission

Abstract:

We give a generalization of the John-Nirenberg lemma which can be applied to prove ${A_2}$ type conditions for small powers of positive solutions of elliptic and parabolic, degenerate and nondegenerate operators.

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