Miguel Angel Fiol Mora, Josep Fàbrega Canudas (1983)
Stochastica
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From two graphs G1 and G2 on N1 and N2 vertices respectively, the compound graph G1[G2] on N1N2 vertices is obtained by connecting in some way N2 copies of G1. We present in this paper methods of compounding that result in families of graphs with large number of vertices for...
Nicolás Pérez de la Blanca Capilla, José Antonio Herencia González (1986)
Stochastica
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Dentro del contexto del Análisis Exploratorio de Datos tal como ha sido definido por Tukey (1977), se aborda el estudio de la síntesis numérica de un "batch" unidimensional. Más concretamente, se analizan las propiedades que relacionan los cuantiles muestrales con otro conjunto de valores muy cercanos a éstos y que denominaremos cuasicuantiles. Estos presentan las propiedades de poderse calcular de forma más simple que aquéllos y de concentrarse más en las colas que en el centro de la...
Manuel de la Sen (1986)
Stochastica
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This paper presents an algebraic design theory for interconnected systems. Usual multivariable linear systems are described in a unified way. Both square and nonsquare plants and controllers are included in the study and an easy characterization of the achievable I/O (input-to-output) and D/O (disturbance-to-output) maps is presented through the use of appropriate controllers. Sufficient conditions of stability are given.
V. González de Garibay, L. Barba (1985)
Stochastica
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Results assuring the existence of semilinear fuzzy partitions in 2, 3 or 4 balanced fuzzy classes are known. Such existence is not guaranteed for a greater number of classes. In this paper we present an algorithm that characterizes the set of solutions, and constructs any of them. Situations without a solution are also detected. We give a FORTRAN program for the algorithm and some examples.
Alberto Falqués Serra (1982)
Stochastica
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In this paper it is first shown that the linear evolution equations for a generalized thermoelastic solid generate a C semigroup. Next an analysis of the long time evolution behaviour yields the some results known for classical thermoelasticity: generically, the natural state is asymptotically stable.
A. Bahamonde Rionda, J. S. López García (1985)
Stochastica
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Partially-additive monoids (pams) were introduced by Arbib and Manes ([1]) in order to provide an algebraic approach to the semantic of recursion in theoretical computer science. Here we extend the range of application of pams for capturing information theory concepts as componibility and sequential continuity, which arise naturally in this framework.
Pedro Rubió Díaz (1985)
Stochastica
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Un espacio topológico es una estructura en la que cada punto posee un filtro de entornos y los entornos de un punto se relacionan con los de otros por el hecho de que haya un entorno que lo es de otros puntos vecinos, o sea por el hecho de que haya un sistema fundamental de entornos abiertos. Aquí se trata de estudiar qué subyace en una estructura en la que sólo se postula que en cada punto hay un filtro de entornos.
M.ª Carmen de las Obras Loscertales y Nasarre (1986)
Stochastica
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Given a real separable Hilbert space H, we denote with S = {E(n) | n belongs to N} a sequence of closed linear subspaces of H. In previous papers, the strong, weak, a--> and b--> convergences are defined and characterized. Now, given a sequence S with strong, weak, a--> or b--> limit, and a linear operator of H, A, the sequence AS is studied.
Robert Fuster Capilla (1985)
Stochastica
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In this note we determine the class of indefinite and decomposable inner product spaces in which the natural topology is admissible and we prove the continuity of orthogonal projections in these spaces.