For every continuous there is an absolutely continuous such that is not bilaterally strongly porous
Author: Z. Buczolich
Journal: Proc. Amer. Math. Soc. 100 (1987), 485-488
MSC: Primary 26A46; Secondary 26A15
MathSciNet review: 891151
Abstract: For any Darboux function and any there is a point and a sequence such that
Consequently, for every there is an absolutely continuous function such that is not bilaterally strongly porous.