Hostname: page-component-78c5997874-mlc7c Total loading time: 0 Render date: 2024-11-15T02:02:35.710Z Has data issue: false hasContentIssue false

A variation-of-constants formula for a linear abstract evolution equation in Hilbert space

Published online by Cambridge University Press:  17 February 2009

Hanzhong Wu
Affiliation:
Department of Mathematics, Fudan University, Shanghai 200433, P. R. China; e-mail: hzwu@fudan.edu.cn.
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

A variation-of-constants formula is obtained for a linear abstract evolution equation in Hilbert space with unbounded perturbation and free term. As an application, the state of the abstract controlled system with unbounded mixed controls is explicitly given.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 2003

References

[1]Curtain, R. and Pritchard, A., “The infinite-dimensional Riccati equation for systems defined by evolution operators”, SIAM J. Control Optim. 14 (1976) 951983.CrossRefGoogle Scholar
[2]Henry, D., Geometric theory of semilinear parabolic equations (Springer, New York, 1981).CrossRefGoogle Scholar
[3]Kato, T., Perturbation theory for linear operators (Springer, New York, 1980).Google Scholar
[4]Lasiecka, I., “Unified theory for abstract parabolic boundary problem: a semigroup approach”, Appl. Math. Optim. 6 (1980) 283333.CrossRefGoogle Scholar
[5]Li, X. and Liu, K., “The effect of small time delays in the feedbacks on boundary stabilization”, Science in China, Ser. A 36 (1993) 14351443.Google Scholar
[6]Li, X. and Yong, J., Optimal control theory for infinite dimensional systems (Birkhäuser, Boston, 1995).Google Scholar
[7]Lions, J. L., Optimal control of systems governed by partial differential equations (Springer, New York, 1971).Google Scholar
[8]Pazy, A., Semigroups of linear operators and applications to partial differenzia1 equations (Springer, New York, 1983).Google Scholar
[9]Wu, H., “Some equivalent conditions for exponential stabilization of linear systems with unbounded control”, Science in China, Ser. E 42 (1999) 252259.CrossRefGoogle Scholar