Asymptotic behaviour of the solutions of equations with impulse effect in a Banach space.
D. D. Bainov, S. I. Kostadinov (1987)
Collectanea Mathematica
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D. D. Bainov, S. I. Kostadinov (1987)
Collectanea Mathematica
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M. F. Atiyah (1973-1974)
Séminaire Bourbaki
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David Ruelle (1990)
Publications Mathématiques de l'IHÉS
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M. Bouchekif (1994)
Publicacions Matemàtiques
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In this paper, we obtain some existence theorems of nonnegative solutions with compact support for homogeneous Dirichlet elliptic problems; we also extend these results to parabolis systems. Supersolution and comparison principles are our main ingredients.
Gorm Salomonsen (1998)
Journées équations aux dérivées partielles
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I present an alternative way of computing the index of a Dirac operator on a manifold with boundary and a special family of pseudodifferential boundary conditions. The local version of this index theorem contains a number of divergence terms in the interior, which are higher order heat kernel invariants. I will present a way of associating boundary terms to those divergence terms, which are rather local of nature.
Tomàs. Aluja Banet, Ramón Nonell Torrent (1991)
Qüestiió
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Principal Components Analysis deals mainly with the analysis of large data sets with multivariate structure in an observational context for exploraty purposes. The factorial planes produced will show the main oppositions between variables and individuals. However, we may be interested in going further by controlling the effect of some latent or third variable which expresses some well-defined phenomenon. We go through this by means of a graph among individuals, following the same idea...
THOMAS L. SAATY (1999)
Revista de la Real Academia de Ciencias Exactas Físicas y Naturales
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