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Eigenvalues of Weakly Singular Integral-Operators



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Cobos, Fernando y Kühn, Thomas (1990) Eigenvalues of Weakly Singular Integral-Operators. Journal of the London Mathematical Society. Second Series, 41 (2). pp. 323-335. ISSN 0024-6107

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URL Oficial: http://jlms.oxfordjournals.org/content/s2-41/2/323.full.pdf+html

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We determine the asymptotic order of decay of eigenvalues of weakly singular integral operators. The singularities are of quite general form, containing power and logarithmic terms. We give a unified elementary proof of all known results in this area. Our approach applies also in the case where the power order of the singularity is equal to the dimension of the domain and the logarithmic order is less than — 1. This case has not been considered previously. Furthermore, we show the optimality of the upper estimates
in a rather strong sense. In particular, we give a partial positive answer to the conjecture of [3].

Tipo de documento:Artículo
Palabras clave:Asymptotic order of decay of eigenvalues of weakly singular integral operators; optimal asymptotic behaviour of eigenvalues
Materias:Ciencias > Matemáticas > Análisis funcional y teoría de operadores
Código ID:15385
Depositado:28 May 2012 08:45
Última Modificación:06 Feb 2014 10:23

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