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- Title
New John–Nirenberg–Campanato‐type spaces related to both maximal functions and their commutators.
- Authors
Hu, Pingxu; Tao, Jin; Yang, Dachun
- Abstract
Let p,q∈[1,∞], α∈ℝ, and s be a nonnegative integer. In this article, the authors introduce a new function space JN˜(p,q,s)α(X) of John–Nirenberg–Campanato type, where X denotes ℝn or any cube Q0 of ℝn with finite edge length. The authors give an equivalent characterization of JN˜(p,q,s)α(X) via both the John–Nirenberg–Campanato space and the Riesz–Morrey space. Moreover, for the particular case s=0, this new space can be equivalently characterized by both maximal functions and their commutators. Additionally, the authors give some basic properties, a good‐ λ inequality, and a John–Nirenberg‐type inequality for JN˜(p,q,s)α(X).
- Subjects
MAXIMAL functions; COMMUTATION (Electricity); COMMUTATORS (Operator theory); CUBES; FUNCTION spaces
- Publication
Mathematical Methods in the Applied Sciences, 2023, Vol 46, Issue 5, p5937
- ISSN
0170-4214
- Publication type
Article
- DOI
10.1002/mma.8879