Nunes, R. S. O.Bastos, W. D. [UNESP]2014-12-032014-12-032014-06-15Journal Of Mathematical Analysis And Applications. San Diego: Academic Press Inc Elsevier Science, v. 414, n. 2, p. 934-944, 2014.0022-247Xhttp://hdl.handle.net/11449/112911In this work we study the asymptotic behavior of the solutions of the linear Klein Gordon equation in R-N, N >= 1. We prove that local energy of solutions to the Cauchy problem decays polynomially. Afterwards, we use the local decay of energy to study exact boundary controllability for the linear Klein Gordon equation in general bounded domains of R-N, N >= 1. (c) 2014 Elsevier Inc. All rights reserved.934-944engKlein-Gordon equationEnergy decayExact controllabilityBoundary controllabilityArtigo10.1016/j.jmaa.2014.01.053WOS:000334651500029Acesso restrito6294876435136954