5 edition of Entropy, compactness, and the approximation of operators found in the catalog.
Includes bibliographical references (p. -271) and index.
|Statement||Bernd Carl, Irmtraud Stephani.|
|Series||Cambridge tracts in mathematics ;, 98|
|LC Classifications||QC20.7.F84 C37 1990|
|The Physical Object|
|Pagination||x, 277 p. ;|
|Number of Pages||277|
|LC Control Number||90031049|
() Maximum entropy solution to ill-posed inverse problems with approximately known operator. Journal of Mathematical Analysis and Applications , () Eigenstates and scattering solutions for billiard problems: A boundary wall by: The asymptotic formula for the behaviour of approximation numbers of these embeddings is described. 1. Introduction Approximation numbers measure the closeness by which a bounded operator may be approximated by linear maps of ﬁnite range, whereas entropy numbers measure compactness of the operator by means of ﬁnite coverings of an image of.
Ann. Appl. Probab. Vol Number 2 (), Monte Carlo algorithms for optimal stopping and statistical learning. Daniel EgloffCited by: Degenerate nonlinear parabolic-hyperbolic equations and their ﬁnite volume approximation B. Andreianov1 based on joint work with “compensated compactness”, entropy-process solutions Degenerate Parabolic Problems & FV Discretization Theoretical foundations Meshes, operators and scheme Discrete calculus & Convergence analysis.
Carl, H. Triebel, Inequalities between eigenvalues, entropy numbers and related inequalities of compact operators in Banach spaces, Math. Ann., () Google Scholar Cross Ref brCited by: 8. The covering numbers of the class are then determined via the entropy numbers of the operator. These numbers, which characterize the degree of compactness of the operator can be bounded in terms of the eigenvalues of an integral operator induced by the kernel function used by the by:
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Entropy quantities are connected with the 'degree of compactness' of compact or precompact spaces, and so are appropriate tools for investigating linear and compact operators between Banach spaces. The main intention of this Tract is to study the relations between compactness and other analytical by: Entropy quantities are connected with the 'degree of compactness' of compact or precompact spaces, and so are appropriate tools for investigating linear and compact operators between Banach spaces.
The main intention of this Tract is to study the relations between compactness and other analytical properties, e.g. approximability and eigenvalue sequences, of such operators. Entropy quantities are connected with the 'degree of compactness' of compact or precompact spaces, and so are appropriate tools for investigating linear and compact operators between Banach spaces.
The main intention of this Tract is to study the relations between compactness and other analytical properties, e.g. approximability and eigenvalue sequences, of such operators. Entropy, Compactness And The Approximation Of Operators.
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Entropy, Compactness and the Approximation Brand: Cambridge University Press. Memoirs of the American Mathematical Society ; 87 pp; MSC: Primary 47; Secondary 60 Electronic ISBN: Product Code: MEMO//E.
This paper examines the asymptotic behaviour of entropy and approximation numbers of compact embeddings of weighted Sobolev spaces into Lebesgue spaces.
We consider admissible weights multiplied by a polynomial. The main results are related to the distribution of eigenvalues of some degenerate elliptic by: We investigate how the entropy numbers (e n (T)) of an arbitrary Hölder-continuous operator T: E→C(K) are influenced by the entropy numbers (ε n (K)) of the underlying compact metric space K and the geometry of by: Approximation and entropy numbers of Volterra operators with application to Brownian motion About this Title.
Mikhail A. Lifshits and Werner Linde. Publication: Memoirs of the American Mathematical Society Publication Year VolumeNumber ISBNs: Cited by: Entropy and approximation numbers of Hardy integral operator in weighted spaces of Besov and riebTel Lizorkin type Elena.P Ushakova Computing Centre of FEB RAS, Khabarovsk, Russia Peoples' Friendship University of Russia, Moscow International Conference New perspectives in the theory of function spaces and their applications (NPFSA).
Entropy, compactness, and the approximation of operators. Cambridge University Press, Cambridge, UK, Google Scholar; Bernd Carl. Entropy numbers of diagonal operators with an application to eigenvalue problems. Journal of Approximation Theory,Google Scholar; Bernd Carl. Entropy of C(K)-Valued Operators.
e.g., entropy, approximation, or Kolmogorov numbers. The paper deals with covering problems and the degree of compactness of operators. The main part is. The purpose of this article is to develop a technique to estimate certain bounds for entropy numbers of diagonal operator on \(\ell ^p\) spaces for \(1,\) which improves the existing bounds.
The approximation method we develop in this direction works for a very general class of operators between Banach spaces, in particular, separable Hilbert : K.
Deepesh, V. Kiran Kumar. In this paper, the entropy number of diagonal operator is discussed. On the one hand, the order of entropy number of the finite dimensional diagonal operator D m: (1≤qentropy number of a class of in finite dimensional diagonal operator D: l p →l q (1≤qAuthor: Jin Chen, Wenjing Lu, Hanyue Xiao, Yanan Wang, Xin Tan.
approximation numbers [1, 5, 10], solutions of systems of linear equations etc. can be estimated by such kind of methods, under various assumptions on the spaces or the operators and on the sense of convergence used.
Here we develop such a method to estimate the entropy numbers of operators acting between inﬁnite dimensional Banach spaces. Enflo’s negative answer to the approximation problem implies that there exist compact operators between Banach spaces that cannot be approximated by finite rank operators.
Unfortunately, the standard approach is indirect and, hence, concrete examples are not provided. This unpleasant situation can be by: 2.
Finding an approximate probability distribution best representing a sample on a measure space is one of the most basic operations in statistics. Many procedures were designed for that purpose when the underlying space is a finite dimensional Euclidean space.
In applications, however, such a simple setting may not be adapted and one has to consider data living on a Riemannian manifold. The lack Cited by: 1. Request PDF | Approximation and entropy numbers of Volterra operators with application to Brownian motion | We consider the Volterra integral operator T ρ,ψ: L p(0, ∞) → L q(0, ∞) for 1.
Ordinary Differential Equation by Alexander Grigorian. This note covers the following topics: Notion of ODEs, Linear ODE of 1st order, Second order ODE, Existence and uniqueness theorems, Linear equations and systems, Qualitative analysis of ODEs, Space of solutions of homogeneous systems, Wronskian and the Liouville formula.
Chapter 5 is devoted to operators with values in a Banach space C(X) of continuous functions on a compact metric space X. The modulus of continuity of such operators is used to relate the entropy and approximation numbers.
This is a very well-written book which would make an excellent seminar text. HARDY-TYPE OPERATORS 1 Boundedness and compactness in BFS 1 An extension of the Hardy transform 25 Estimates for approximation numbers 44 Norms of positive operators 57 Notes and comments on Chapter 1 75 2. FRACTIONAL INTEGRALS ON THE LINE 77 Fractional integrals 77 Two-weight problems.
alternative ways to ‘measure’ the compactness or ‘degree’ of compactness of an operator. It can be described by the asymptotic behaviour of its approximation or entropy numbers, which are basic tools for many different problems nowadays, e.g. eigenvalue distribution.The origin of the theory of compact operators is in the theory of integral equations, where integral operators supply concrete examples of such operators.
A typical Fredholm integral equation gives rise to a compact operator K on function spaces; the compactness property is shown by equicontinuity.Approximation numbers and Kolmogorov widths of Hardy-type operators in a non-homogeneous case, Math.
Nachrichten (), (with J. Lang). On a measure of non-compactness for some classical operators, Acta. Math. Sinica 22 (), (with A. Fiorenza and A. Meskhi).