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A broad class of evolution equations are approximately controllable, but never exactly controllable
ArticleAbstract: As we have announced in the title of this work, we show that a broad class of evolution equations arPalabras claves:Approximate and exact controllability, Compact operators, Evolution equationsAutores:Barcenas D., Hugo Leiva, Zoraida SívoliFuentes:scopusA necessary and sufficient algebraic condition for the controllability of a thermoelastic plate equation
ArticleAbstract: An overview is given of a necessary and sufficient algebraic condition for the approximate controllaPalabras claves:Algebraic condition, Approximate controllability, Thermoelastic plate equationAutores:Hugo LeivaFuentes:googlescopusA necessary and sufficient condition for the controllability of linear systems in Hilbert spaces and applications
ArticleAbstract: As we have announced in the title of this work, we show that a broad class of linear evolution equatPalabras claves:damped wave equation, exact controllability, Linear evolution equationsAutores:Hugo Leiva, Iturriaga E.Fuentes:googlescopusControllability of a system of parabolic equations with non-diagonal diffusion matrix
ArticleAbstract: In this paper we give a necessary and sufficient algebraic condition for the approximate controllabiPalabras claves:Algebraic condition, Approximate controllability, Parabolic equationAutores:Hugo LeivaFuentes:googlescopusControllability of linear difference equations in Hilbert spaces and applications
ArticleAbstract: In this paper, we present necessary and sufficient conditions for the exact and approximate controllPalabras claves:Approximate controllability, Difference equations, exact controllability, Heat and wave equationAutores:Hugo Leiva, Uzcátegui J.Fuentes:googlescopusControllability of the Ornstein-Uhlenbeck equation
ArticleAbstract: In this paper we study the controllability of the following controlled Ornstein-Uhlenbeck equation zPalabras claves:Approximate controllability, Compact semigroup, Ornstein-Uhlenbeck equationAutores:Barcenas D., Hugo Leiva, Urbina W.O.Fuentes:scopusControllability of the impulsive semilinear beam equation with memory and delay
ArticleAbstract: The semilinear beam equation with impulses, memory and delay is considered and its approximate contrPalabras claves:Approximate controllability, impulsive semilinear beam equation with memory and delay, strongly continuous semigroupAutores:Carrasco A., Guevara C., Hugo LeivaFuentes:googlescopusControllability of the perturbed Beam equation
ArticleAbstract: In this paper, applying the Rothe's Fixed Point Theorem, we prove the approximate controllability ofPalabras claves:Approximate controllability, Rothe's fixed point theorem, semilinear beam equation, strongly continuous semigroupsAutores:Carrasco A., Hugo Leiva, Merentes N.Fuentes:googlescopus