Superlinear equations, potential theory and weighted norm inequalities
Verbitsky, Igor E.
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Verbitsky, Igor E.
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R. Trujillo-González (2003)
Commentationes Mathematicae Universitatis Carolinae
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In this paper we establish weighted norm inequalities for singular integral operators with kernel satisfying a variant of the classical Hörmander's condition.
María Riveros, Marta Urciuolo (2014)
Open Mathematics
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In this paper we study integral operators with kernels where Ωi: ℝn → ℝ are homogeneous functions of degree zero, satisfying a size and a Dini condition, A i are certain invertible matrices, and n/q 1 +…+n/q m = n−α, 0 ≤ α < n. We obtain the appropriate weighted L p-L q estimate, the weighted BMO and weak type estimates for certain weights in A(p, q). We also give a Coifman type estimate for these operators.
Xuefang Yan, Limei Xue, Wenming Li (2012)
Czechoslovak Mathematical Journal
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Let be a positive integer, , . We give sufficient conditions on weights for the commutators of multilinear fractional integral operators to satisfy a weighted endpoint inequality which extends the result in D. Cruz-Uribe, A. Fiorenza: Weighted endpoint estimates for commutators of fractional integrals, Czech. Math. J. 57 (2007), 153–160. We also give a weighted strong type inequality which improves the result in X. Chen, Q. Xue: Weighted estimates for a class of multilinear fractional...