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Balls and metrics defined by vector fields I: Basic properties

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Authors and Affiliations

  1. University of Wisconsin, Madison, WI, USA

    Alexander Nagel

  2. Princeton University, Princeton, NJ, USA

    Elias M. Stein

  3. University of Wisconsin, Madison, WI, USA

    Stephen Wainger

Authors
  1. Alexander Nagel
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  2. Elias M. Stein
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  3. Stephen Wainger
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Additional information

Supported in part by an NSF grant at the University of Wisconsin, Madison.

Supported in part by an NSF grant at Princeton University.

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Nagel, A., Stein, E.M. & Wainger, S. Balls and metrics defined by vector fields I: Basic properties. Acta Math. 155, 103–147 (1985). https://doi.org/10.1007/BF02392539

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