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A Characterization of Semilinear Surjective Operators and Applications to Control Problems

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DOI: 10.4236/am.2010.14033    4,830 Downloads   8,014 Views   Citations


In this paper we characterize a broad class of semilinear surjective operators given by the following formula where Z are Hilbert spaces, and is a suitable nonlinear function. First, we give a necessary and sufficient condition for the linear operator to be surjective. Second, we prove the following statement: If and is a Lipschitz function with a Lipschitz constant small enough, then and for all the equation admits the following solution .We use these results to prove the exact controllability of the following semilinear evolution equation , , where , are Hilbert spaces, is the infinitesimal generator of strongly continuous semigroup in the control function belong to and is a suitable function. As a particular case we consider the semilinear damped wave equation, the model of vibrating plate equation, the integrodifferential wave equation with Delay, etc.

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The authors declare no conflicts of interest.

Cite this paper

E. Iturriaga and H. Leiva, "A Characterization of Semilinear Surjective Operators and Applications to Control Problems," Applied Mathematics, Vol. 1 No. 4, 2010, pp. 265-273. doi: 10.4236/am.2010.14033.


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