preface introduction list of symbols chapter 1 metric spaces 1.1 preliminaries 1.2 definitions and examples 1.3 convergence of sequences in metric spaces 1.4 sets in a metric space 1.5 plete metric spaces 1.6 continuous mappings on metric spaces 1.7 pact metric spaces 1.8 banach fixed point theorem chapter 2 normed linear spaces.banach spaces 2.1 review of linear spaces 2.2 norms in linear spaces 2.3 examples of normed linear spaces 2.4 finite-dimensional normed linear spaces 2.5 linear subspaces of normed linear spaces 2.6 quotient spaces 2.7 weierstrass appromation theorem chapter 3 inner product spaces.hilbert spaces 3.1 inner products 3.2 orthogonality 3.3 orthonormal systems 3.4 fourier series chapter 4 linear operators.fundamental theorems 4.1 bounded linear operators and functionals 4.2 spaces of bounded linear operators and dual spaces 4.3 banach-steinhaus theorem 4.4 inverses of operators. banachs theorem 4.5 hahn-banach theorem 4.6 strong and weak convergence chapter 5 linear operators on hilbert spaces 5.1 adjoint operators. lax-milgram theorem 5.2 spectral theorem for self-adjoint pact operators chapter 6 differential calculus in normed linear spaces 6.1 gateaux and frechet derivatives 6.2 taylors formla, implicit and inverse function theorems bibliography index
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