Distribution function inequalities for the density of the area integral (Q803463)

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scientific article; zbMATH DE number 4200893
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Distribution function inequalities for the density of the area integral
scientific article; zbMATH DE number 4200893

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    Distribution function inequalities for the density of the area integral (English)
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    1991
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    We prove good-\(\lambda\) inequalities for the area integral, the nontangential maximal function, and the maximal density of the area integral. This answers a question raised by R. F. Gundy. We also prove a Kesten type law of the iterated logarithm for harmonic functions. Our Theorems 1 and 2 are for Lipschitz domains. However, all our results are new even in the case of \({\mathbb{R}}^ 2_+\).
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    distribution function inequalities
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    local time
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    good-\(\lambda \) inequalities
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    area integral
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    nontangential
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    maximal function
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    maximal density
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    iterated logarithm for harmonic functions
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