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Browsing by Author "Franchi, Bruno"
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A sum operator with applications to self-improving properties of Poincaré inequalities in metric spaces
Franchi, Bruno; Pérez Moreno, Carlos; Wheeden, Richard L. (Springer, 2003-09)We define a class of summation operators with applications to the self-improving nature of Poincaré-Sobolev estimates, in ...