Normal extensions escape from the class of weighted shifts on directed trees
classification
🧮 math.FA
keywords
directednormalweightedshifttreeansweredboundedclass
read the original abstract
A formally normal weighted shift on a directed tree is shown to be a bounded normal operator. The question of whether a normal extension of a subnormal weighted shift on a directed tree can be modeled as a weighted shift on some, possible different, directed tree is answered.
This paper has not been read by Pith yet.
discussion (0)
Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.