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FREDHOLM PROPERTY OF COMPOSITE TWO-DIMENSIONAL INTEGRAL OPERATORS WITH HOMOGENEOUS SINGULAR-TYPE KERNELS IN pL SPACE
Author(s) -
V. M. Deundyak,
Elena Anatolyevna Romanenko
Publication year - 2014
Publication title -
vestnik donskogo gosudarstvennogo tehničeskogo universiteta
Language(s) - English
Resource type - Journals
eISSN - 1992-6006
pISSN - 1992-5980
DOI - 10.12737/3501
Subject(s) - mathematics , operator theory , fredholm theory , fourier integral operator , convolution (computer science) , singular integral , piecewise , type (biology) , homogeneous , fredholm integral equation , pure mathematics , singular integral operators , mathematical analysis , algebra over a field , integral equation , computer science , combinatorics , ecology , machine learning , artificial neural network , biology
The authors have previously studied two - dimensional Fredholm integral operators with homogeneous kernels of fiber - singular type. For this class of operators, the symbolic calculus is built using the theory of biloc al operators by V. Pilidi, and Fredholm criterion is formulated through the inversibility of t wo families: the family of one - dimensional convolution operators, and the family of one - dimensional singular integral operators with continuous coefficients. The aim of this work is to study composite two - dimensional integral operators with homogeneous ker nels of fiber singular type analogous to Simonenko’s continual convolution integral operators. This investigation is a part of a more general study of algebra of operators with homogeneous kernels which layers are singular operat ors with piecewise continuo us coefficients. For the considered operators, the symbolic calculus and the necessary and sufficient Fredholm conditions are obtained.

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