On smooth points of boundaries of open sets
S. Rolewicz
Studia Mathematica, Tome 192 (2009), p. 211-214 / Harvested from The Polish Digital Mathematics Library
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The notions of smooth points of the boundary of an open set and α(·) intrinsically paraconvex sets are introduced. It is shown that for an α(·) intrinsically paraconvex open set the set of smooth points is a dense Gδ-set of the boundary.

Publié le : 2009-01-01
EUDML-ID : urn:eudml:doc:284779 
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S. Rolewicz. On smooth points of boundaries of open sets. Studia Mathematica, Tome 192 (2009) pp. 211-214. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm191-3-2/