Nonlinear Integral Operators and Applications / / Carlo Bardaro, Julian Musielak, Gianluca Vinti.

In 1903 Fredholm published his famous paper on integral equations. Since then linear integral operators have become an important tool in many areas, including the theory of Fourier series and Fourier integrals, approximation theory and summability theory, and the theory of integral and differential...

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Superior document:Title is part of eBook package: De Gruyter DG Studies in Nonlinear Analysis and Applications
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Place / Publishing House:Berlin ;, Boston : : De Gruyter, , [2008]
©2003
Year of Publication:2008
Language:English
Series:De Gruyter Series in Nonlinear Analysis and Applications , 9
Online Access:
Physical Description:1 online resource (201 p.)
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Other title:Frontmatter --
Contents --
Chapter 1. Kernel functionals and modular --
spaces --
Chapter 2. Absolutely continuous modulars and --
moduli of continuity --
Chapter 3. Approximation by convolution type --
operators --
Chapter 4. Urysohn integral operators with --
homogeneous kernel functions. Applications to nonlinear Mellin-type --
convolution operators --
Chapter 5. Summability methods by convolution-type --
Chapter 6. Nonlinear integral operators in the --
space BVϕ --
Chapter 7. Application to nonlinear integral --
equations --
Chapter 8. Uniform approximation by sampling type --
operators. Applications in signal analysis --
Chapter 9. Modular approximation by sampling type --
Backmatter
Summary:In 1903 Fredholm published his famous paper on integral equations. Since then linear integral operators have become an important tool in many areas, including the theory of Fourier series and Fourier integrals, approximation theory and summability theory, and the theory of integral and differential equations. As regards the latter, applications were soon extended beyond linear operators. In approximation theory, however, applications were limited to linear operators mainly by the fact that the notion of singularity of an integral operator was closely connected with its linearity. This book represents the first attempt at a comprehensive treatment of approximation theory by means of nonlinear integral operators in function spaces. In particular, the fundamental notions of approximate identity for kernels of nonlinear operators and a general concept of modulus of continuity are developed in order to obtain consistent approximation results. Applications to nonlinear summability, nonlinear integral equations and nonlinear sampling theory are given. In particular, the study of nonlinear sampling operators is important since the results permit the reconstruction of several classes of signals. In a wider context, the material of this book represents a starting point for new areas of research in nonlinear analysis. For this reason the text is written in a style accessible not only to researchers but to advanced students as well.
Format:Mode of access: Internet via World Wide Web.
ISBN:9783110199277
9783110647099
9783110637205
9783110212129
9783110212136
9783110209082
ISSN:0941-813X ;
DOI:10.1515/9783110199277
Access:restricted access
Hierarchical level:Monograph
Statement of Responsibility: Carlo Bardaro, Julian Musielak, Gianluca Vinti.