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Elementary Functional Analysis
Taschenbuch
2018 De Gruyter
Auflage: 08.10.2018 Auflage
330 Seiten; 24 cm x 17 cm
Sprache: English
ISBN: 978-3-11-061391-9
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While there is a plethora of excellent, but mostly "tell-it-all'' books on the subject, this one is intended to take a unique place in what today seems to be a still wide open niche for an introductory text on the basics of functional analysis to be taught within the existing constraints of the standard, for the United States,
one-semester
graduate curriculum (fifteen weeks with two seventy-five-minute lectures per week).
The book consists of
seven chapters
and an
appendix
taking the reader from the fundamentals of abstract spaces (metric, vector, normed vector, and inner product), through the basics of linear operators and functionals, the
three fundamental principles
(the
Hahn-Banach Theorem
, the
Uniform Boundedness Principle
, the
Open Mapping Theorem
and its equivalents: the
Inverse Mapping
and
Closed Graph Theorems
) with their numerous profound implications and certain interesting applications, to the elements of the
duality
and reflexivity
theory
. Chapter 1 outlines some necessary preliminaries, while the Appendix gives a concise discourse on the celebrated
Axiom of Choice
, its equivalents (the
Hausdorff Maximal Principle
,
Zorn's Lemma
, and
Zermello's Well-Ordering Principle)
, and ordered sets.
Being designed as a text to be used in a classroom, the book constantly calls for the student's actively mastering the knowledge of the subject matter. It contains 112 Problems, which are indispensable for understanding and moving forward. Many important statements are given as problems, a lot of these are frequently referred to and used in the main body. There are also 376 Exercises throughout the text, including Chapter 1 and the Appendix, which require of the student to prove or verify a statement or an example, fill in necessary details in a proof, or provide an intermediate step or a counterexample. They are also an inherent part of the material. More difficult problems are marked with an asterisk, many problem and exercises being supplied with "existential'' hints.
The book is generous on Examples and contains numerous Remarks accompanying every definition and virtually each statement to discuss certain subtleties, raise questions on whether the converse assertions are true, whenever appropriate, or whether the conditions are essential.
The prerequisites are set intentionally quite low, the students not being assumed to have taken graduate courses in real or complex analysis and general topology, to make the course accessible and attractive to a wider audience of STEM (science, technology, engineering, and mathematics) graduate students or advanced undergraduates with a solid background in calculus and linear algebra.
With
proper attention given to applications, plenty of examples, problems, and exercises, this well-designed text is ideal for a one-semester graduate course on the fundamentals of functional analysis for students in mathematics, physics, computer science, and engineering.
Contents
Preliminaries
Metric Spaces
Normed Vector and Banach Spaces
Inner Product and Hilbert Spaces
Linear Operators and Functionals
Three Fundamental Principles of Linear Functional Analysis
Duality and Reflexivity
The Axiom of Choice and Equivalents
Langtext
While there is a plethora of excellent, but mostly "tell-it-all'' books on the subject, this one is intended to take a unique place in what today seems to be a still wide open niche for an introductory text on the basics of functional analysis to be taught within the existing constraints of the standard, for the United States,
one-semester
graduate curriculum (fifteen weeks with two seventy-five-minute lectures per week).
The book consists of
seven chapters
and an
appendix
taking the reader from the fundamentals of abstract spaces (metric, vector, normed vector, and inner product), through the basics of linear operators and functionals, the
three fundamental principles
(the
Hahn-Banach Theorem
, the
Uniform Boundedness Principle
, the
Open Mapping Theorem
and its equivalents: the
Inverse Mapping
and
Closed Graph Theorems
) with their numerous profound implications and certain interesting applications, to the elements of the
duality
and reflexivity
theory
. Chapter 1 outlines some necessary preliminaries, while the Appendix gives a concise discourse on the celebrated
Axiom of Choice
, its equivalents (the
Hausdorff Maximal Principle
,
Zorn's Lemma
, and
Zermello's Well-Ordering Principle)
, and ordered sets.
Being designed as a text to be used in a classroom, the book constantly calls for the student's actively mastering the knowledge of the subject matter. It contains 112 Problems, which are indispensable for understanding and moving forward. Many important statements are given as problems, a lot of these are frequently referred to and used in the main body. There are also 376 Exercises throughout the text, including Chapter 1 and the Appendix, which require of the student to prove or verify a statement or an example, fill in necessary details in a proof, or provide an intermediate step or a counterexample. They are also an inherent part of the material. More difficult problems are marked with an asterisk, many problem and exercises being supplied with "existential'' hints.
The book is generous on Examples and contains numerous Remarks accompanying every definition and virtually each statement to discuss certain subtleties, raise questions on whether the converse assertions are true, whenever appropriate, or whether the conditions are essential.
The prerequisites are set intentionally quite low, the students not being assumed to have taken graduate courses in real or complex analysis and general topology, to make the course accessible and attractive to a wider audience of STEM (science, technology, engineering, and mathematics) graduate students or advanced undergraduates with a solid background in calculus and linear algebra.
With
proper attention given to applications, plenty of examples, problems, and exercises, this well-designed text is ideal for a one-semester graduate course on the fundamentals of functional analysis for students in mathematics, physics, computer science, and engineering.
Contents
Preliminaries
Metric Spaces
Normed Vector and Banach Spaces
Inner Product and Hilbert Spaces
Linear Operators and Functionals
Three Fundamental Principles of Linear Functional Analysis
Duality and Reflexivity
The Axiom of Choice and Equivalents
Besprechung
"While there is a plethora of excellent, but mostly "tell-it-all'' books on the subject, this one is intended to take a unique place in what today seems to be a still wide open niche for an introductory text on the basics of functional analysis to be taught within the existing constraints of the standard, for the United States, one-semester graduate curriculum (fifteen weeks with two seventy-five-minute lectures per week). [...] The book is generous on Examples and contains numerous Remarks accompanying every definition and virtually each statement to discuss certain subtleties, raise questions on whether the converse assertions are true, whenever appropriate, or whether the conditions are essential. The prerequisites are set intentionally quite low, the students not being assumed to have taken graduate courses in real or complex analysis and general topology, to make the course accessible and attractive to a wider audience of STEM (science, technology, engineering, and mathematics) graduate students or advanced undergraduates with a solid background in calculus and linear algebra. With proper attention given to applications, plenty of examples, problems, and exercises, this well-designed text is ideal for a one-semester graduate course on the fundamentals of functional analysis for students in mathematics, physics, computer science, and engineering. [...]"
In: Bookauthority, https://bookauthority.org/books/beginner-functional-analysis-books, Letzter Aufruf am 22.10.2019
„Der Autor stellt übersichtlich die wesentlichen Themen der klassischen Funktionalanalysis in einem angemessenen Umfang […] dar. […] Das Buch ist als eine geeignete Ergänzung zu einem entsprechenden Grundkurs Analysis […] zu verstehen."
Dr. Torsten Mergen, Universität des Saarlandes
Marat V. Markin
, California State University, Fresno, USA.