Homeomorphisms preserving Ap.

Raymond L. Johnson; Christoph J. Neugebauer

Displaying similar documents to “Homeomorphisms preserving Ap.”

Sharp weights and BMO-preserving homeomorphisms

Steven Bloom (1990)

Studia Mathematica

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On the dual of weighted $H^{1} (| z | < 1)$

Richard Wheeden (1979)

Banach Center Publications

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On the dual of weighted $H^{1}$ of the half-space

Benjamin Muckenhoupt, Richard Wheeden (1978)

Studia Mathematica

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An interpolation theorem with $A_{p}$ -weighted $L^{p}$ spaces

Steven Bloom (1990)

Studia Mathematica

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Pointwise multipliers on weighted BMO spaces

Eiichi Nakai (1997)

Studia Mathematica

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Let E and F be spaces of real- or complex-valued functions defined on a set X. A real- or complex-valued function g defined on X is called a pointwise multiplier from E to F if the pointwise product fg belongs to F for each f ∈ E. We denote by PWM(E,F) the set of all pointwise multipliers from E to F. Let X be a space of homogeneous type in the sense of Coifman-Weiss. For 1 ≤ p < ∞ and for $ϕ : X \times ℝ_{+} \to ℝ_{+}$ , we denote by $b m o_{ϕ, p} (X)$ the set of all functions $f \in L_{l o c}^{p} (X)$ such that $s u p_{a \in X, r > 0} 1 / ϕ (a, r) (1 / μ (B (a, r)) ʃ_{B (a, r)} | f (x) - f_{B (a, r)} {|^{p} d μ)}^{1 / p} < \infty$ , where B(a,r) is the ball centered...

Partial retractions for weighted Hardy spaces

Sergei Kisliakov, Quanhua Xu (2000)

Studia Mathematica

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Let 1 ≤ p ≤ ∞ and let $w_{0}, w_{1}$ be two weights on the unit circle such that $l o g (w_{0} w_{1}^{- 1}) \in B M O$ . We prove that the couple $(H_{p} (w_{0}), H_{p} (w_{1}))$ of weighted Hardy spaces is a partial retract of $(L_{p} (w_{0}), L_{p} (w_{1}))$ . This completes previous work of the authors. More generally, we have a similar result for finite families of weighted Hardy spaces. We include some applications to interpolation.

A weighted version of Journé's lemma.

Donald Krug, Alberto Torchinsky (1994)

Revista Matemática Iberoamericana

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In this paper we discuss a weighted version of Journé's covering lemma, a substitution for Whitney decomposition of an open set in R where squares are replaced by rectangles. We then apply this result to obtain a sharp version of the atomic decomposition of the weighted Hardy spaces H (R x R ) and a description of their duals when p is close to 1.

Weighted norm inequalities and Schur's Lemma

Michael Christ (1984)

Studia Mathematica

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$L^{p}$ weighted inequalities for the dyadic square function

Akihito Uchiyama (1995)

Studia Mathematica

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We prove that $ʃ {(S_{d} f)}^{p} V d x \leq C_{p, n} ʃ {| f |}^{p} M_{d}^{([p / 2] + 2)} V d x$ , where $S_{d}$ is the dyadic square function, $M_{d}^{(k)}$ is the k-fold application of the dyadic Hardy-Littlewood maximal function and p > 2.

On the two-weight problem for singular integral operators

David Cruz-Uribe, Carlos Pérez (2002)

Annali della Scuola Normale Superiore di Pisa - Classe di Scienze

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We give $A_{p}$ type conditions which are sufficient for two-weight, strong $(p, p)$ inequalities for Calderón-Zygmund operators, commutators, and the Littlewood-Paley square function $g_{λ}^{*}$ . Our results extend earlier work on weak $(p, p)$ inequalities in [13].