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Title Details:
Introduction to Topology of Metric Spaces
Authors: Tolias, Andreas
Subject: MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > FUNCTIONS OF A COMPLEX VARIABLE > ANALYSIS ON METRIC SPACES
MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > REAL FUNCTIONS
MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > REAL FUNCTIONS > FUNCTIONS OF ONE VARIABLE
MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > FUNCTIONAL ANALYSIS > NORMED LINEAR SPACES AND BANACH SPACES; BANACH LATTICES
MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > GENERAL TOPOLOGY
MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > REAL FUNCTIONS > MISCELLANEOUS TOPICS
MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > OPERATOR THEORY > LINEAR SPACES AND ALGEBRAS OF OPERATORS
MATHEMATICS AND COMPUTER SCIENCE > MATHEMATICS > FUNCTIONAL ANALYSIS
Keywords:
Metric space
Normed linear space
Open set
Interior of a set
Closed set
Closure of a set
Continuous function
Homeomorphism
Equivalent metrics
Dense set
Separable metric space
Complete metric space
Banach fixed point theorem
Baire’s Theorem
Compact set
Totally bounded set
Connected set
Connected components
Pointwise convergence of a sequence of functions
Uniform convergence of a sequence of functions
Equicontinuous family of functions
Arzelà-Ascoli Theorem
Weierstrass approximation Theorem
Stone-Weierstrass Theorem
Completion of a metric space
Cantor set
Tietze’s Theorem for metric spaces
Oscillation of a function at a point
A set of points of continuity of a function
Description:
Abstract:
This book aims to provide a comprehensive introduction to the theory of metric spaces from both a theoretical and applied perspective. It is addressed to those who possess a basic background in Infinitesimal Calculus. In Chapter 1, the definition of a metric space is provided along with many examples, with the key feature element therein being the metrics induced by norms. In Chapter 2, the convergence of sequences in metric spaces is under study, whereas Chapter 3 provides a rigorous treatment of continuity and uniform continuity of functions between metric spaces. Chapter 4 covers the basic topological concepts in metric spaces (open set, interior of a set, closed set, closure of a set, derived set) and provides characterisations of the continuity of a function via topological arguments. Chapter 5 deals with homeomorphisms between metric spaces, equivalent metrics and the relatively open and relatively closed subsets of a subset in a metric space. Chapter 6 is concerned with the study of complete metric spaces and some basic relevant theorems. Chapters 7 and 8 are dedicated to the study of the notions of compactness and connectedness in metric spaces, respectively. Chapter 9 is concerned with function spaces and contains, among others, the Stone-Weierstrass Theorem. Chapter 10 addresses additional topics that have not been treated in the preceding chapters (completion of a metric space, the Cantor set, Tietze's Theorem for metric spaces, and oscillation of a function around a point). Finally, Chapter 11 provides the solutions to the exercises presented at the end of each of the previous chapters.
Linguistic Editors: Moraitis, Konstantinos
Technical Editors: Papadogonas, Giannis
Graphic Editors: Papadogonas, Giannis
Type: Undergraduate textbook
Creation Date: 20-01-2025
Item Details:
ISBN 978-618-228-315-8
License: Attribution - NonCommercial - ShareAlike 4.0 International (CC BY-NC-SA 4.0)
DOI http://dx.doi.org/10.57713/kallipos-1065
Handle http://hdl.handle.net/11419/14385
Bibliographic Reference: Tolias, A. (2025). Introduction to Topology of Metric Spaces [Undergraduate textbook]. Kallipos, Open Academic Editions. https://dx.doi.org/10.57713/kallipos-1065
Language: Greek
Consists of:
1. Metric spaces
2. Sequences in metric spaces
3. Continuous functions in metric spaces
4. The topology of a metric space (Part A)
5. The topology of a metric space (Part B)
6. Complete metric spaces
7. Compact metric spaces and compact sets
8. Connected metric spaces and connected sets
9. Function spaces
10. Additional topics
11. Solutions to exercises
Number of pages 290
Publication Origin: Kallipos, Open Academic Editions
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