On a problem of Jaak Peetre concerning pointwise multipliers of Besov spaces
Volume 243 / 2018
Studia Mathematica 243 (2018), 207-231
MSC: Primary 46E35.
DOI: 10.4064/sm170522-16-8
Published online: 6 April 2018
Abstract
We characterize the set of all pointwise multipliers of the Besov spaces $B^s_{p,q}(\mathbb {R}^d)$ under the restrictions $0 \lt p,q \leq \infty $ and $s \gt d/p$.
