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Preface | |
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Metric Spaces and Normed Linear Spaces | |
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Definitions and Examples | |
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Metric spaces, normed linear spaces | |
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Metrics generated by a norm | |
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Co-ordinate, sequence and function spaces | |
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Semi-normed linear spaces | |
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Exercises | |
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Balls and Boundedness | |
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Balls and spheres in metric spaces and normed linear spaces, relating norms and balls | |
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Boundedness, diameter | |
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Distances between sets | |
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Exercises | |
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Limit Processes | |
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Convergence and Completeness | |
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Convergence of sequences, characterisation in finite dimensional normed linear spaces, uniform convergence | |
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Equivalent metrics and norms | |
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Cauchy sequences, completeness | |
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Convergence of series | |
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Exercises | |
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Cluster Points and Closure | |
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Cluster points, closed sets | |
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Relating closed to complete | |
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Closure, density, separability | |
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The boundary of a set | |
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Exercises | |
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Application: Banach's Fixed Point Theorem | |
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Fixed points, Banach's Fixed Point Theorem | |
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Application in real analysis | |
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Application in linear algebra | |
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Application in the theory of differential equations | |
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Picard's Theorem | |
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Application in the theory of integral equations | |
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Fredholm integral equations, Volterra integral equations | |
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Exercises | |
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Continuity | |
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Continuity in Metric Spaces | |
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Local continuity, characterisation of continuity by sequences, algebra of continuous mappings | |
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Global continuity characterised by inverse images | |
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Isometrics, homeomorphisms | |
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Uniform continuity | |
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Exercises | |
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Continuous Linear Mappings | |
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Characterisation of continuity of linear mappings, linear mappings on finite dimensional normed linear spaces, continuity of linear functionals | |
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Topological isomorphisms, isometric isomorphisms | |
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Exercises | |
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Compactness | |
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Sequential Compactness in Metric Spaces | |
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Properties of compact sets | |
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Characterisation in finite dimensional normed linear spaces, Riesz Theorem | |
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Application in approximation theory | |
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Alternative forms of compactness, total boundedness, ball cover compactness | |
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Separability | |
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Exercises | |
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Continuous Functions on Compact Metric Spaces | |
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Heine's Theorem, Dini's Theorem | |
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The structure of the real Banach space (C [a, b], [double vertical bar][middle dot][double vertical bar][subscript infinity] | |
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The Weierstrass Approximation Theorem | |
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The structure of the Banach space (C(X), [double vertical bar][middle dot][double vertical bar][subscript infinity] where (X, d) is a compact metric space | |
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Compactness in (C(X), [double vertical bar][middle dot][double vertical bar][subscript infinity] | |
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Equicontinuity, The Ascoli-Arzela Theorem, Peano's Theorem | |
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Exercises | |
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The Metric Topology | |
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The Topological Analysis of Metric Spaces | |
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Open sets and their properties, base for a topology | |
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Equivalent metrics | |
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Relation to closed sets | |
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The interior of a set | |
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The characterisation of continuous mappings by inverse images | |
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Topological compactness | |
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Separability, the normal topological structure | |
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Exercises | |
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Appendices | |
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The real analysis background | |
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The set theory background | |
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The linear algebra background | |
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Index to Notation | |
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Index | |