Moduli of continuity and rearrangements
Matematičeskie zametki, Tome 18 (1975) no. 1, pp. 63-66
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It is proved that the modulus of continuity of a function in $L_p(0,1)$ majorizes the modulus of continuity of its decreasing rearrangement.
@article{MZM_1975_18_1_a8,
author = {Yu. A. Brudnyi},
title = {Moduli of continuity and rearrangements},
journal = {Matemati\v{c}eskie zametki},
pages = {63--66},
year = {1975},
volume = {18},
number = {1},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/MZM_1975_18_1_a8/}
}
Yu. A. Brudnyi. Moduli of continuity and rearrangements. Matematičeskie zametki, Tome 18 (1975) no. 1, pp. 63-66. http://geodesic.mathdoc.fr/item/MZM_1975_18_1_a8/