Spherical maximal operator on symmetric spaces of constant curvature |
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Authors: | Amos Nevo P K Ratnakumar |
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Institution: | Institute of advanced studies in mathematics, Technion--Israel Institute of Technology, Haifa 32900, Israel ; Institute of advanced studies in mathematics, Technion--Israel Institute of Technology, Haifa 32900, Israel |
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Abstract: | We prove an endpoint weak-type maximal inequality for the spherical maximal operator applied to radial funcions on symmetric spaces of constant curvature and dimension . More explicitly, in the Lorentz space associated with the natural isometry-invariant measure, we show that, for every radial function , The proof uses only geometric arguments and volume estimates, and applies uniformly in every dimension. |
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Keywords: | Symmetric spaces constant curvature spherical means maximal function |
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