Weighted inequalities for the two-dimensional Hardy operator
E. Sawyer (1985)
Studia Mathematica
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E. Sawyer (1985)
Studia Mathematica
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Chen, Tieling (2003)
JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
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Steven Bloom, Ron Kerman (1994)
Studia Mathematica
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Necessary and sufficient conditions are given on the weights t, u, v, and w, in order for to hold when and are N-functions with convex, and T is the Hardy operator or a generalized Hardy operator. Weak-type characterizations are given for monotone operators and the connection between weak-type and strong-type inequalities is explored.
Amiran Gogatishvili, Canay Aykol, Vagif S. Guliyev (2015)
Studia Mathematica
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We characterize associate spaces of generalized weighted weak-Lorentz spaces and use this characterization to study embeddings between these spaces.
Ana Lucía Bernardis, Francisco Javier Martín-Reyes (2002)
Publicacions Matemàtiques
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Let φ: R → [0,∞) an integrable function such that φχ = 0 and φ is decreasing in (0,∞). Let τf(x) = f(x-h), with h ∈ R {0} and f(x) = 1/R f(x/R), with R > 0. In this paper we characterize the pair of weights (u, v) such that the operators Mf(x) = sup|f| * [τφ](x) are of weak type (p, p) with respect to (u, v), 1 < p < ∞.
Kenneth Andersen, Benjamin Muckenhoupt (1982)
Studia Mathematica
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R. Kerman, A. Torchinsky (1982)
Studia Mathematica
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Steven Bloom (1997)
Studia Mathematica
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Let , where k is a nonnegative kernel increasing in x, decreasing in y, and satisfying a triangle inequality. An nth-order Opial inequality has the form . Such inequalities can always be simplified to nth-order reduced inequalities, where the exponent . When n = 1, the reduced inequality is a standard weighted norm inequality, and characterizing the weights is easy. We also find necessary and sufficient conditions on the weights for second-order reduced Opial inequalities to hold. ...
Qinsheng Lai (1995)
Studia Mathematica
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C.J. NEUGEBAUER (1992)
Forum mathematicum
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Alois Kufner, Lars-Erik Persson, Anna Wedestig (2004)
Banach Center Publications
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James Adedayo Oguntuase (2001)
Kragujevac Journal of Mathematics
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Ze-Hua Zhou, Yu-Xia Liang, Xing-Tang Dong (2012)
Annales Polonici Mathematici
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This paper characterizes the boundedness and compactness of weighted composition operators between a weighted-type space and the Hardy space on the unit ball of ℂⁿ.
Raman Adegoke, James Adedayo Oguntuase (2001)
Kragujevac Journal of Mathematics
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