Abstract
In this note we comment on an error present in the recent and extensive literature on exact controllability of abstract control differential problems. Our observations are valid for first order, second order, integro-differential and fractional differential control problems.
Original language | English |
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Article number | 160 |
Journal | Electronic Journal of Differential Equations |
Volume | 2016 |
Publication status | Published - 27 Jun 2016 |
Keywords
- Abstract control systems
- Controllability
- Resolvent of operators
- Sectorial operators