Generalized commutators for Marcinkiewicz type integrals with variable kernels |
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Authors: | Hui-xia Mo Shan-zhen Lu |
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Institution: | Hui-xia Mo 1,Shan-zhen Lu 2 1 School of Science,Beijing University of Post and Telecommunications,Beijing 100876,China2 School of Mathematical Sciences,Beijing Normal University,Beijing 100875,China |
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Abstract: | Let A be a function with derivatives of order m and D
γ
A ∈ (L)\dot] b\dot \Lambda _\beta
(0 < β < 1, |γ| = m). The authors in the paper prove that if Ω(x, z) ∈ L
∞(?
n
) × L
s
(S
n?1) (s ≥ n/(n ? β)) is homogenous of degree zero and satisfies the mean value zero condition about the variable z, then both the generalized commutator for Marcinkiewicz type integral μ
Ω
A
and its variation (m)\tilde] W A\tilde \mu _\Omega ^A
are bounded from L
p
(?
n
) to L
q
(?
n
), where 1 < p < n/β and 1/q = 1/p ? β/n. The authors also consider the boundedness of μΩ
A
and its variation (m)\tilde] W A\tilde \mu _\Omega ^A
on Hardy spaces. |
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Keywords: | Marcinkiewicz integral variable kernel Lipschitz space Hardy space |
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