Journal
JOURNAL OF GEOMETRIC ANALYSIS
Volume 31, Issue 10, Pages 10215-10245Publisher
SPRINGER
DOI: 10.1007/s12220-021-00641-0
Keywords
Critical function; Quantitative weighted estimate; Sparse operator
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Funding
- Australian Research Council through the ARC [DP190100970]
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In this paper, we establish quantitative weighted estimates for certain singular integrals corresponding to a new class of weights. These results have applications in various settings, ranging from magnetic Schrodinger operators in Euclidean spaces to Laguerre operators. Notably, the regularity conditions on the kernels of these singular integrals are not required.
Let (X, d, mu) be a space of homogeneous type with a metric d and a doubling measure mu. Assume that rho is a critical function on X which has an associated class of weights containing the Muckenhoupt weights as a proper subset. In this paper, we prove the quantitative weighted estimates for certain singular integrals corresponding to the new class of weights. It is important to note that the assumptions on the kernels of these singular integrals do not have any regularity conditions. Our applications include the spectral multipliers and the Riesz transforms associated to Schrodinger operators in various settings, ranging from the magnetic Schrodinger operators in Euclidean spaces to the Laguerre operators.
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