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Perimeter on fractal sets

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Abstract

The Hausdorff measure with fractional index is used in order to define a functional on measurable sets of the plane. A fractal set, constructed using the well-known Von Koch set, is involved in the definition. This functional is proved to arise as the limit of a sequence of classical functionals defined on sets of finite perimeter. Thus it is shown that a natural extension of the ordinary functionals of the calculus of variations leads both to fractal sets and to the fractional Hausdorff measure.

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Authors and Affiliations

  1. Dip. di Automazione Industriale, Università di Brescia, Via Valotti 9, 25060, Brescia

    Andrea Braides

  2. Dip. di Matematica, II Università di Roma, Via Fontanile di Carcaricola, 00133, Roma

    Piero D’Ancona

Authors
  1. Andrea Braides
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  2. Piero D’Ancona
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Braides, A., D’Ancona, P. Perimeter on fractal sets. Manuscripta Math 72, 5–25 (1991). https://doi.org/10.1007/BF02568263

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  • DOI: https://doi.org/10.1007/BF02568263

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