Multi-parameter Carnot-Carath茅adory balls
Multi-parameter Carnot-Carath茅adory balls
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Brian Street, University of Toronto
We discuss multi-parameter Carnot-Carath茅adory balls. In particular, we discuss questions motivated by multi-parameter singular integrals. These results generalize results due to Nagel, Stein, and Wainger in the single parameter setting.