Equations Differentielles Operationnelles by Jacques Louis Lions

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Equations Differentielles Operationnelles by Jacques Louis Lions

Dans un espace de BANACH H soit A(t) une famille d'operateurs non bornes, tE 0, TJ pour fixer les idees. On appelle equation difterentielle operationneUe (lineaire) une equation de la forme A(t)u(t)]u'(t) =f(t), la fonction f Hant donnee continue de 0, TJ dans H, la fonction u Hant une fois continument differentiable dans 0, TJ a valeurs dans H, u(t) appartenant a D(A(t)) (domaine de A(t)) pour chaque tE O, T]. Les exemples les plus importants sont ceux Oll A(t) est un systeme differentiel, le domaine de A(t) Hant alors fixe par des conditions aux limites. Le probleme de CAUCHY consiste a trouver une solution de (*), verifiant la condition initiale u(O) = u, U donne (dans D(A(O))). o o Mais il est classique que, pour bien des applications, le probleme pose sous la forme precedente impose des conditions trop restrictives a u. Il faut introduire alors la notion de solution faible de ce probleme; il y a un tres grand nombre de telles notions; une classification en est donnee au Chap. 1. Les Chap. IV, V, VII, IX, X donnent diverses con- ditions suffisantes portant sur les A (t) pour que tel ou tel probleme faible admette une solution et une seule; on y Hudie la regularite de ces solutions, et les meilleurs domaines Oll l' on doit prendre les donnees initiales.
Lions, Jacques-Louis: - The late Jacques-Louis Lions was a Professor at College de France, Paris. During his distinguished career he was elected an honorary member of over twenty learned societies and academies world-wide and received honorary degrees from nineteen universities. He was awarded a large number of international prizes, including the SIAM T and Idalia Reid Prize in Mathematics, the Prize of Japan and the John Von Neumann Prize. By the time of his death in 2001, he had authored over 20 books.
SKU Unavailable
ISBN 13 9783662237403
ISBN 10 3662237407
Title Equations Differentielles Operationnelles
Author Jacques Louis Lions
Series Grundlehren Der Mathematischen Wissenschaften
Condition Unavailable
Binding Type Paperback
Publisher Springer
Year published 1961-01-01
Number of pages 292
Cover note Book picture is for illustrative purposes only, actual binding, cover or edition may vary.