In this paper we study existence and uniqueness of solutions for the Hammerstein equation u(x)=v{x) + X K{x,y)f{y,u{y))dy, a; €/* := [ai,6i] x [02, 62] , in the space BV^{I^) of function of bounded total (^-variation in the sense of Riesz, where A 6 E, /f : /¿ x /* -» E and / : /¿ x E -> M are suitable functions. 2010 Mathematics Subject Classification: primary 45G10. Key words and phrases: existence and uniqueness of solutions of the Hammerstein integral equation in the plane, i^-bounded total variation norm on a rectangle.
In this paper we prove existence and uniqueness of the solutions for a kind of Volterra equation, with an initial condition, in the space of the continuous functions with bounded variation which take values in an arbitrary Banach space. Then we give a parameters variation formula for the solutions of certain kind of linear integral equation. Finally, we prove exact controllability of a particular integral equation using that formula. Moreover, under certain condition, we find a formula for a control steering of a type of system which is studied in the current work, from an initial state to a final one in a prescribed time.
RESUMENEn este trabajo probamos existencia y unicidad de las soluciones para una ecuación de Volterra, con condición inicial, en el espacio de funciones continuas con variación acotada y valores en un espacio de Banach arbitrario. Damos una formula de variación de parámetros para las soluciones de cierta clase de ecuación lineal integral. Finalmente probamos la controlabilidad exacta de una ecuación integral particular usando esa formula. Más aún, bajo cierta condición, encontramos una formula para una dirección de control de un tipo de Sistema que se estudia en el presente trabajo, desde un estado inicial a uno final en un tiempo prescrito.
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