Parabolic BMO and the forward-in-time maximal operator

被引:5
|
作者
Saari, Olli [1 ,2 ]
机构
[1] Aalto Univ, Dept Math & Syst Anal, Sch Sci, Aalto 00076, Finland
[2] Univ Bonn, Math Inst, Endenicher Allee 60, D-53115 Bonn, Germany
关键词
Parabolic BMO; Forward-in-time; One-sided; Maximal operator; Heat equation; Doubly nonlinear equation; Parabolic equation; p-Laplace; WEIGHTED INEQUALITIES; HARNACK INEQUALITY; DIFFERENTIAL-EQUATIONS;
D O I
10.1007/s10231-018-0733-0
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We study if the parabolic forward-in-time maximal operator is bounded on parabolic BMO. It turns out that for non-negative functions the answer is positive, but the behavior of sign-changing functions is more delicate. The class parabolic BMO and the forward-in-time maximal operator originate from the regularity theory of nonlinear parabolic partial differential equations. In addition to that context, we also study the question in dimension one.
引用
收藏
页码:1477 / 1497
页数:21
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