Comments on Some Recent Results on Controllability of Abstract Differential Problems
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In this note we comment on some recent papers treating exact controllability of abstract control problems with a linear part dominated by a sectorial operator.
KeywordsExact controllability Abstract control systems Cosine functions Semigroup of operators
The authors wish to thank to the referees and the editors for their valuable comments on this note.
- 6.Kisyński, J.: On cosine operator functions and one parameter group of operators. Stud. Math. 49, 93–105 (1972) Google Scholar