Quasidiagonal weighted shifts on directed trees
Volume 273 / 2023
Studia Mathematica 273 (2023), 101-138
MSC: Primary 47A66; Secondary 47A65
DOI: 10.4064/sm220830-7-8
Published online: 27 November 2023
Abstract
We investigate quasidiagonality of weighted shifts on directed trees. We concentrate mainly on a subclass of weighted shifts operators called adjacency operators. In particular, we provide equivalent conditions for quasidiagonality of adjacency operators in terms of the structure of directed trees.