Abstract
For strongly continuous semigroups on a Hilbert space, we present a short proof of the fact that the left inverse of a left-invertible semigroup can be chosen to be a semigroup as well. Furthermore, we show that this semigroup need not to be unique
| Original language | Undefined |
|---|---|
| Pages (from-to) | 335-342 |
| Number of pages | 8 |
| Journal | Journal of evolution equations |
| Volume | 13 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 2013 |
Keywords
- MSC-47D06
- MSC-93B07
- MSC-93C25
- MSC-47A05
- IR-86147
- EWI-23390
- Exact observability
- Left inverse
- METIS-297668
- Strongly continuous semigroup