Weighted weak type Hardy inequalities with applications to Hilbert transforms and maximal functions
Kenneth Andersen, Benjamin Muckenhoupt (1982)
Studia Mathematica
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Kenneth Andersen, Benjamin Muckenhoupt (1982)
Studia Mathematica
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Néstor Aguilera, Carlos Segovia (1977)
Studia Mathematica
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Shuichi Sato (1989)
Studia Mathematica
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Christoph J. Neugebauer (1991)
Publicacions Matemàtiques
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We prove weighted norm inequalities for the averaging operator Af(x) = 1/x ∫ f of monotone functions.
E. Sawyer (1985)
Studia Mathematica
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Michelangelo Franciosi (1989)
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. ...
Hugo Aimar, Liliana Forzani (1991)
Studia Mathematica
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We give an A_p type characterization for the pairs of weights (w,v) for which the maximal operator Mf(y) = sup 1/(b-a) ʃ_a^b |f(x)|dx, where the supremum is taken over all intervals [a,b] such that 0 ≤ a ≤ y ≤ b/ψ(b-a), is of weak type (p,p) with weights (w,v). Here ψ is a nonincreasing function such that ψ(0) = 1 and ψ(∞) = 0.
José García-Cuerva (1991)
Publicacions Matemàtiques
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I am going to discuss the work José Luis Rubio did on weighted norm inequalities. Most of it is in the book we wrote together on the subject [12].
David Cruz-Uribe, SFO, C. Neugebauer, V. Olesen (1995)
Studia Mathematica
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We introduce the one-sided minimal operator, , which is analogous to the one-sided maximal operator. We determine the weight classes which govern its two-weight, strong and weak-type norm inequalities, and show that these two classes are the same. Then in the one-weight case we use this class to introduce a new one-sided reverse Hölder inequality which has several applications to one-sided weights.