Korovkin-type Approximation Theory and Its Applications
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Korovkin-type Approximation Theory and Its Applications
About This Book
The series is devoted to the publication of monographs and high-level textbooks in mathematics, mathematical methods and their applications. Apart from covering important areas of current interest, a major aim is to make topics of an interdisciplinary nature accessible to the non-specialist.
The works in this series are addressed to advanced students and researchers in mathematics and theoretical physics. In addition, it can serve as a guide for lectures and seminars on a graduate level.
The series de Gruyter Studies in Mathematics was founded ca. 30 years ago by the late Professor Heinz Bauer and Professor Peter Gabriel with the aim to establish a series of monographs and textbooks of high standard, written by scholars with an international reputation presenting current fields of research in pure and applied mathematics.
While the editorial board of the Studies has changed with the years, the aspirations of the Studies are unchanged. In times of rapid growth of mathematical knowledge carefully written monographs and textbooks written by experts are needed more than ever, not least to pave the way for the next generation of mathematicians. In this sense the editorial board and the publisher of the Studies are devoted to continue the Studies as a service to the mathematical community.
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Table of contents
- Introduction
- Interdependence of sections
- Notation
- Chapter 1. Preliminaries
- 1.1 Topology and analysis
- 1.2 Radon measures
- * 1.3 Some basic principles of probability theory
- 1.4 Selected topics on locally convex spaces
- * 1.5 Integral representation theory for convex compact sets
- * 1.6 Co-Semigroups of operators and abstract Cauchy problems
- Chapter 2. Korovkin-type theorems for bounded positive Radon measures
- 2.1 Determining subspaces for bounded positive Radon measures
- 2.2 Determining subspaces for discrete Radon measures
- 2.3 Determining subspaces and Chebyshev systems
- 2.4 Convergence subspaces associated with discrete Radon measures
- 2.5 Determining subspaces for Dirac measures
- 2.6 Choquet boundaries
- Chapter 3. Korovkin-type theorems for positive linear operators
- 3.1 Korovkin closures and Korovkin subspaces for positive linear operators
- 3.2 Special properties of Korovkin closures
- 3.3 Korovkin subspaces for positive projections
- 3.4 Korovkin subspaces for finitely defined operators
- Chapter 4. Korovkin-type theorems for the identity operator
- 4.1 Korovkin closures and Korovkin subspaces for the identity operator
- 4.2 Strict Korovkin subsets. Korovkin’s theorems
- 4.3 Korovkin closures and state spaces. Spaces of parabola-like functions
- 4.4 Korovkin closures and Stone-Weierstrass theorems
- 4.5 Finite Korovkin sets
- Chapter 5. Applications to positive approximation processes on real intervals
- 5.1 Moduli of continuity and degree of approximation by positive linear operators
- 5.2 Probabilistic methods and positive approximation processes
- 5.3 Discrete-type approximation processes
- 5.4 Convolution operators and summation processes
- Chapter 6. Applications to positive approximation processes on convex compact sets
- 6.1 Positive approximation processes associated with positive projections
- 6.2 Positive projections and their associated Feller semigroups
- 6.3 Miscellaneous examples and degenerate diffusion equations on convex compact subsets of ℝP
- Appendices
- A. Korovkin-type approximation theory on commutative Banach algebras
- A.1 Universal Korovkin-type approximation theory on commutative Banach algebras
- A.2 Commutative group algebras
- A.3 Finitely generated commutative Banach algebras and polydisk algebras
- A.4 Generalized analytic functions and algebras generated by inner functions
- A.5 Extreme spectral states and the Gleason-Kahane-Zelazko property
- B. Korovkin-type approximation theory on C*-algebras
- B.1 Approximation by positive linear functionals
- B.2 Approximation by positive linear operators
- C. A list of determining sets and Korovkin sets
- C.1 Determining sets in C0(X) (X locally compact Hausdorff space)
- C.2 Determining sets in C(X) (X compact)
- C.3 Korovkin sets in C0(X) (X locally compact Hausdorff space)
- C.4 Korovkin sets in C(X) (X compact Hausdorff space)
- C.5 Korovkin sets in Lp(Χ,μ)-spaces
- D. A subject classification of Korovkin-type approximation theory with a subject index
- D.1 Subject classification (SC)
- D.2 Subject index
- Bibliography
- Symbol index
- Subject index