Advances in Inequalities of the Schwarz, Grüss, and Bessel Type in Inner Product Spaces PDF Download
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Author: Sever Silvestru Dragomir
Publisher: Nova Publishers
ISBN: 9781594542022
Category : Mathematics
Languages : en
Pages : 266
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Book Description
The theory of Hilbert spaces plays a central role in contemporary mathematics with numerous applications for Linear Operators, Partial Differential Equations, in Nonlinear Analysis, Approximation Theory, Optimisation Theory, Numerical Analysis, Probability Theory, Statistics and other fields. The Schwarz, triangle, Bessel, Gram and most recently, Grüss type inequalities have been frequently used as powerful tools in obtaining bounds or estimating the errors for various approximation formulae occurring in the domains mentioned above. Therefore, any new advancement related to these fundamental facts will have a flow of important consequences in the mathematical fields where these inequalities have been used before.
Author: Sever Silvestru Dragomir
Publisher: Nova Publishers
ISBN: 9781594542022
Category : Mathematics
Languages : en
Pages : 266
Get Book Here
Book Description
The theory of Hilbert spaces plays a central role in contemporary mathematics with numerous applications for Linear Operators, Partial Differential Equations, in Nonlinear Analysis, Approximation Theory, Optimisation Theory, Numerical Analysis, Probability Theory, Statistics and other fields. The Schwarz, triangle, Bessel, Gram and most recently, Grüss type inequalities have been frequently used as powerful tools in obtaining bounds or estimating the errors for various approximation formulae occurring in the domains mentioned above. Therefore, any new advancement related to these fundamental facts will have a flow of important consequences in the mathematical fields where these inequalities have been used before.
Author: Sever Silvestru Dragomir
Publisher: Nova Publishers
ISBN: 9781594549038
Category : Mathematics
Languages : en
Pages : 260
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Book Description
Inequalities for hermitian forms -- Schwarz related inequalities -- Reverses for the triangle inequality -- Reverses for the continous triangle inequality -- Reverses of the cbs and heisenberg inequalities -- Other inequalities in inner product spaces
Author: S.S. Dragomir
Publisher:
ISBN:
Category :
Languages : en
Pages : 18
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Book Description
Reverses of Schwarz, triangle and Bessel inequalities in inner product spaces that improve some earlier results are pointed out. They are applied to obtain new Grüss type inequalities in inner product spaces. Some natural applications for integral inequalities are also pointed out.
Author: S.S. Dragomir
Publisher:
ISBN:
Category :
Languages : en
Pages : 19
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Book Description
New reverses of the Schwarz, triangle and Bessel inequalities in inner product spaces are pointed out. These results complement the recent ones obtained by the author in the earlier paper [13]. Further, they are emploied to establish new Grüss type inequalities. Finally, some natural integral inequalities are stated as well.
Author: Themistocles M. Rassias
Publisher: Springer Science & Business Media
ISBN: 1461400554
Category : Mathematics
Languages : en
Pages : 744
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Book Description
The stability problem for approximate homomorphisms, or the Ulam stability problem, was posed by S. M. Ulam in the year 1941. The solution of this problem for various classes of equations is an expanding area of research. In particular, the pursuit of solutions to the Hyers-Ulam and Hyers-Ulam-Rassias stability problems for sets of functional equations and ineqalities has led to an outpouring of recent research. This volume, dedicated to S. M. Ulam, presents the most recent results on the solution to Ulam stability problems for various classes of functional equations and inequalities. Comprised of invited contributions from notable researchers and experts, this volume presents several important types of functional equations and inequalities and their applications to problems in mathematical analysis, geometry, physics and applied mathematics. "Functional Equations in Mathematical Analysis" is intended for researchers and students in mathematics, physics, and other computational and applied sciences.
Author: S.S. Dragomir
Publisher:
ISBN:
Category :
Languages : en
Pages : 14
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Book Description
A new counterpart of Bessel's inequality for orthornormal families in real or complex inner product spaces is obtained. Applications for some Grüss type results are also provided.
Author: Sever Silvestru Dragomir
Publisher:
ISBN:
Category : Mathematics
Languages : en
Pages : 252
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Book Description
The Cauchy-Bunyakovsky-Schwarz inequality, or for short, the CBS inequality, plays an important role in different branches of Modern Mathematics including Hilbert Spaces Theory, Probability and Statistics, Classical Real and Complex Analysis, Numerical Analysis, Qualitative Theory of Differential Equations and their applications. The main purpose of this book, that is mainly based on a survey paper written by the author in the Journal of Inequalities in Pure and Applied Mathematics is to identify and highlight the discrete inequalities that are connected with the CBS inequality. Provided are refinements, counterparts and reverse results as well as the study of some functional properties of certain mappings that can be naturally associated with this inequality such as superadditivity, supermultiplicity, the strong versions of these and the corresponding monotonicity properties. Many companions and related results both for real and complex numbers are also presented. It was one of the main aims of the book to provide complete proofs for the results considered.
Author: S.S. Dragomir
Publisher:
ISBN:
Category :
Languages : en
Pages : 11
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Book Description
A counterpart of the famous Bessel's inequality for orthornormal families in real or complex inner product spaces is given. Applications for some Grüss type inequalities are also provided.
Author: S.S. Dragomir
Publisher:
ISBN:
Category :
Languages : en
Pages : 14
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Book Description
A new counterpart of Bessel's inequality for orthornormal families in real or complex 2-inner product spaces is obtained. Applications for some Grüss type results with applications for determinantal integral inequalities are also provided.
Author: Silvestru Sever Dragomir
Publisher: Springer Science & Business Media
ISBN: 331901448X
Category : Mathematics
Languages : en
Pages : 130
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Book Description
Aimed toward researchers, postgraduate students, and scientists in linear operator theory and mathematical inequalities, this self-contained monograph focuses on numerical radius inequalities for bounded linear operators on complex Hilbert spaces for the case of one and two operators. Students at the graduate level will learn some essentials that may be useful for reference in courses in functional analysis, operator theory, differential equations, and quantum computation, to name several. Chapter 1 presents fundamental facts about the numerical range and the numerical radius of bounded linear operators in Hilbert spaces. Chapter 2 illustrates recent results obtained concerning numerical radius and norm inequalities for one operator on a complex Hilbert space, as well as some special vector inequalities in inner product spaces due to Buzano, Goldstein, Ryff and Clarke as well as some reverse Schwarz inequalities and Grüss type inequalities obtained by the author. Chapter 3 presents recent results regarding the norms and the numerical radii of two bounded linear operators. The techniques shown in this chapter are elementary but elegant and may be accessible to undergraduate students with a working knowledge of operator theory. A number of vector inequalities in inner product spaces as well as inequalities for means of nonnegative real numbers are also employed in this chapter. All the results presented are completely proved and the original references are mentioned.
