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Characterization of extremal controls for infinite dimensional time-varying systems
ArticleAbstract: In this paper we prove some properties of attainable sets for time-varying infinite dimensional linePalabras claves:Attainable sets, Extremal control, Normal system, Time optimal controlAutores:Barcenas D., Hugo LeivaFuentes:googlescopusA Necessary Algebraic Condition for Controllability and Observability of Linear Time-Varying Systems
ArticleAbstract: In this note, we give an algebraic condition which is necessary for the system x′(t) = A(t)x(t) + B(Palabras claves:Algebraic condition, Linear time-varying control systems, Noncontrollability, NonobservabilityAutores:Hugo Leiva, Siegmund S.Fuentes:googlescopusA 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 characterization of semilinear dense range operators and applications
ArticleAbstract: We characterize a broad class of semilinear dense range operators G <inf>H</inf>: W → Z given by thePalabras claves:Autores:Hugo Leiva, Merentes N., Sanchez J.L.Fuentes:googlescopusA lemma on C0-semigroups and applications
ArticleAbstract: In this note we characterize a large class of C<inf>0</inf>-semigroups which can be applied to provePalabras claves:C -semigroup 0, C0-semigroup, Existence of solutions, Systems of partial differential equationsAutores:Hugo LeivaFuentes:googlescopusA modified Smith predictor based – Sliding mode control approach for integrating processes with dead time
ArticleAbstract: This paper proposes a modified hybrid robust Smith predictor controller design for integrating procePalabras claves:Dead Time, Integrating processes, Sliding mode controller, Smith pbkp_redictor, Smith PredictorAutores:Castrillon F., Hugo Leiva, Jorge Espín, Oscar E. CamachoFuentes: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:googlescopusTwo definitions of exponential dichotomy for skew-product semiflow in banach spaces
ArticleAbstract: In this paper we introduce a concept of exponential dichotomy for linear skew-product semiflows (LSPPalabras claves:Exponential dichotomy, Skew-product semiflow, Stable and unstable manifoldsAutores:Chow S.N., Hugo LeivaFuentes:googlescopusSkew-product semi-flows and non-autonomous control systems
ArticleAbstract: In this paper we give a necessary and sufficient conditions for exact and approximate controllabilitPalabras claves:controllability, Non-autonomous equation, Skew product semi-flowsAutores:Barcenas D., Chow S.N., Hugo Leiva, Tineo Moya A.Fuentes:googlescopus