Doubling, Poincaré and Gromov-Hausdorff precompactness for tamed spaces
Mathias Braun, Chiara Rigoni, Christian Rose, David Tewodrose
Abstract
We establish local volume doubling and a local L2-Poincaré inequality for metric measure spaces tamed by a measure in the extended Kato class that satisfy the bounded interpolation property. To this end, we construct a bi-Lipschitz time change to a metric measure space satisfying a uniform lower Ricci curvature bound. As an application, we obtain pointed measured Gromov-Hausdorff precompactness for such spaces.
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