Abstract
In this note we point out how a theorem of Gamelin and Garnett from function theory can be used to establish a spectral mapping theorem for an arbitrary contraction and an associated class of H∞-functions.
Original language | English |
---|---|
Pages (from-to) | 77-79 |
Number of pages | 3 |
Journal | Kyungpook Mathematical Journal |
Volume | 47 |
Issue number | 1 |
State | Published - Mar 2007 |
Keywords
- Contraction
- Functional calculus
- Spectral mapping theorem