2012/05/10 by Dovgoshey, O., Bilet, V.
#28A05 #28A10 #Classical Analysis and ODEs (math.CA) #FOS: Mathematics
paper · doi:10.48550/arxiv.1205.2335
We define and study the completely strongly porous at 0 subsets of R+. Several characterizations of these subsets are obtained, among them the description via an universal property and structural one.