557 resultados para Hakanen, Marko


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Comparar el resultado de la resonancia magnética en el diagnóstico de apendicitis aguda con el patrón de oro (estudio histopatológico o seguimiento clínico del paciente) con el fin de establecer la utilidad de ésta como prueba diagnóstica y poder incluirla dentro del algoritmo de estudio de esta patología cuando hay sospecha clínica y un resultado negativo o dudoso de la ecografía abdominal

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Se analiza la realidad de la intervención social en defensa de la normalización lingüística desde el punto de vista de la Animación Sociocultural, desarrollando la hipótesis de que en aquellos pueblos y comunidades en los que por motivos sociohistóricos y políticos se sufre una situación de riesgo y pérdida de la cultura y sobre todo de la lengua propias, puede desarrollarse un ámbito específico de Animación Sociocultural, llamada en este caso, Sociolingüística, que ayude a superar esta situación. En EuskalHerria la cuestión de la lengua ha sido analizada básicamente por la lingüística, sociología, pedagogía o glotodidáctica. Según el autor, es necesario considerarla asímismo y sobre todo en lo que concierne a su vertiente de procesos de normalización e intervención social desde el prisma de la Animación Sociocultural..

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Monográfico sobre el futuro de las carreras científicas en Europa.- Resumen tomado parcialmente de la publicación

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Existe una versi??n en espa??ol, con el t??tulo "Ordenaci??n y caracter??sticas del sistema educativo vasco"

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Existe una versi??n en espa??ol, con el t??tulo "??mbitos de actuaci??n prioritarios de la Direcci??n de Innovaci??n Educativa 2011-2014"

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El Protocolo de Seguimiento del Desarrollo Infanti tiene por objetivo detectar tempranamente posibles alteraciones del desarrollo que puedan generar necesidades espec??ficas de apoyo educativo. Una intervenci??n temprana en los trastornos del neurodesarrollo o en las situaciones de riesgo exige un proceso de detecci??n. En la pr??ctica, y entre otras medidas posibles aunque de menor envergadura, este proceso pasa por la puesta en marcha de procedimientos sistem??ticos de observaci??n del desarrollo para valorar la presencia de sospechas, alertas o indicadores de esos trastornos, adem??s de tener en cuenta situaciones objetivas de riesgo de padecerlos.

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La comunicación presenta las principales conclusiones que se están extrayendo del proceso de puesta en marcha de los nuevos Grados de Pedagogia y Educacion Social en la Facultad de Filosofía y Ciencias de la Educación de la Universidad del País Vasco. Se explican el diseño de las nuevas titulaciones basado en un Esquema Modular, los pasos dados en la Coordinación Docente y se subrayan experiencias como la Actividad Interdisciplinar de Módulo, en un contexto de cambio de la gestión organizacional. Se recogen también las experiencias del Módulo 1 y el Módulo 2 durante el curso 2010-11, y los resultados de las evaluaciones realizadas por los equipos docentes y los alumnos

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The purpose of this paper is to show that, for a large class of band-dominated operators on $\ell^\infty(Z,U)$, with $U$ being a complex Banach space, the injectivity of all limit operators of $A$ already implies their invertibility and the uniform boundedness of their inverses. The latter property is known to be equivalent to the invertibility at infinity of $A$, which, on the other hand, is often equivalent to the Fredholmness of $A$. As a consequence, for operators $A$ in the Wiener algebra, we can characterize the essential spectrum of $A$ on $\ell^p(Z,U)$, regardless of $p\in[1,\infty]$, as the union of point spectra of its limit operators considered as acting on $\ell^p(Z,U)$.

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We consider a class of boundary integral equations that arise in the study of strongly elliptic BVPs in unbounded domains of the form $D = \{(x, z)\in \mathbb{R}^{n+1} : x\in \mathbb{R}^n, z > f(x)\}$ where $f : \mathbb{R}^n \to\mathbb{R}$ is a sufficiently smooth bounded and continuous function. A number of specific problems of this type, for example acoustic scattering problems, problems involving elastic waves, and problems in potential theory, have been reformulated as second kind integral equations $u+Ku = v$ in the space $BC$ of bounded, continuous functions. Having recourse to the so-called limit operator method, we address two questions for the operator $A = I + K$ under consideration, with an emphasis on the function space setting $BC$. Firstly, under which conditions is $A$ a Fredholm operator, and, secondly, when is the finite section method applicable to $A$?

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We study the classical combined field integral equation formulations for time-harmonic acoustic scattering by a sound soft bounded obstacle, namely the indirect formulation due to Brakhage-Werner/Leis/Panic, and the direct formulation associated with the names of Burton and Miller. We obtain lower and upper bounds on the condition numbers for these formulations, emphasising dependence on the frequency, the geometry of the scatterer, and the coupling parameter. Of independent interest we also obtain upper and lower bounds on the norms of two oscillatory integral operators, namely the classical acoustic single- and double-layer potential operators.

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The Kasparov-World match was initiated by Microsoft with sponsorship from the bank First USA. The concept was that Garry Kasparov as White would play the rest of the world on the Web: one ply would be played per day and the World Team was to vote for its move. The Kasparov-World game was a success from many points of view. It certainly gave thousands the feeling of facing the world’s best player across the board and did much for the future of the game. Described by Kasparov as “phenomenal ... the most complex in chess history”, it is probably a worthy ‘Greatest Game’ candidate. Computer technology has given chess a new mode of play and taken it to new heights: the experiment deserves to be repeated. We look forward to another game and experience of this quality although it will be difficult to surpass the event we have just enjoyed. We salute and thank all those who contributed - sponsors, moderator, coaches, unofficial analysts, organisers, technologists, voters and our new friends.

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In the first half of this memoir we explore the interrelationships between the abstract theory of limit operators (see e.g. the recent monographs of Rabinovich, Roch and Silbermann (2004) and Lindner (2006)) and the concepts and results of the generalised collectively compact operator theory introduced by Chandler-Wilde and Zhang (2002). We build up to results obtained by applying this generalised collectively compact operator theory to the set of limit operators of an operator (its operator spectrum). In the second half of this memoir we study bounded linear operators on the generalised sequence space , where and is some complex Banach space. We make what seems to be a more complete study than hitherto of the connections between Fredholmness, invertibility, invertibility at infinity, and invertibility or injectivity of the set of limit operators, with some emphasis on the case when the operator is a locally compact perturbation of the identity. Especially, we obtain stronger results than previously known for the subtle limiting cases of and . Our tools in this study are the results from the first half of the memoir and an exploitation of the partial duality between and and its implications for bounded linear operators which are also continuous with respect to the weaker topology (the strict topology) introduced in the first half of the memoir. Results in this second half of the memoir include a new proof that injectivity of all limit operators (the classic Favard condition) implies invertibility for a general class of almost periodic operators, and characterisations of invertibility at infinity and Fredholmness for operators in the so-called Wiener algebra. In two final chapters our results are illustrated by and applied to concrete examples. Firstly, we study the spectra and essential spectra of discrete Schrödinger operators (both self-adjoint and non-self-adjoint), including operators with almost periodic and random potentials. In the final chapter we apply our results to integral operators on .