A remark on the spectrum of the analytic generator
classification
🧮 math.FA
keywords
analyticgeneratorspectrumalthoughampliatingbanachcomplexequal
read the original abstract
It is shown that although the spectrum of the analytic generator of a one--parameter group of isometries of a Banach space may be equal to the whole complex plane, a simple operation of ampliating the analytic generator onto its graph locates its spectrum in the positive halfline.
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.