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 under the restrictions 0 \lt p,q \leq \infty and s \gt d/p.