Geodesic
Inner radius, polarization and circular truncation of the set
Zapiski Nauchnykh Seminarov POMI, Analytical theory of numbers and theory of functions. Part 31, Tome 445 (2016), pp. 175-180 
V. O. Kuznetsov. Inner radius, polarization and circular truncation of the set. Zapiski Nauchnykh Seminarov POMI, Analytical theory of numbers and theory of functions. Part 31, Tome 445 (2016), pp. 175-180. http://geodesic.mathdoc.fr/item/ZNSL_2016_445_a3/
@article{ZNSL_2016_445_a3,
     author = {V. O. Kuznetsov},
     title = {Inner radius, polarization and circular truncation of the set},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {175--180},
     year = {2016},
     volume = {445},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2016_445_a3/}
}
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Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

The difference of the reduced module $m(B,0)$ of an open set $B$, $0\in B$, and the reduced module $m(B_r,0)$ of its circular truncation $B_r$, where $B_r=B\cap\{|z|, is considered. It is proved that in the case of polarization and circular symmetrization this difference does not decrease.

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