The aim of this paper is to present some necessary conditions for the boundedness of the mapping $f\mapsto |f|^{\mu },\mu >0$ on Besov spaces equipped with power weights.
Composition operators on Besov and Triebel-Lizorkin spaces with power weights: necessary conditions
On a new characterisation of Besov spaces with negative exponents
Traces for Besov spaces on fractal h-sets and dichotomy results
![QR code for arXiv:2305.14866 [math.FA]](http://oss.arxitics.com/images/favicon.svg)