Porosities of Mandelbrot Percolation

Artemi Berlinkov () and Esa Järvenpää ()
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Artemi Berlinkov: Bar-Ilan University
Esa Järvenpää: University of Oulu

Journal of Theoretical Probability, 2019, vol. 32, issue 2, 608-632

Abstract: Abstract We study porosities in the Mandelbrot percolation process using a notion of porosity that is based on the construction geometry. We show that, almost surely at almost all points with respect to the natural measure, the construction-based mean porosities of the set and the natural measure exist and are equal to each other for all parameter values outside of a countable exceptional set. As a corollary, we obtain that, almost surely at almost all points, the regular lower porosities of the set and the natural measure are equal to zero, whereas the regular upper porosities reach their maximum values.

Keywords: Random sets; Porosity; Mean porosity; 28A80; 37A50; 60D05; 60J80 (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1007/s10959-019-00895-z

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