The present book is based on lectures given by the author at the University of Tokyo during the past ten years. It is intended as a textbook to be studied by students on their own or to be used in a course on Functional Analysis, i. e. , the general theory of linear operators in function spaces together with salient features of its application to diverse fields of modern and classical analysis. Necessary prerequisites for the reading of this book are summarized, with or without proof, in Chapter 0 under titles: Set Theory, Topo logical Spaces, Measure Spaces and Linear Spaces. Then, starting with the chapter on Semi-norms, a general theory of Banach and Hilbert spaces is presented in connection with the theory of generalized functions of S. L. SOBOLEV and L. SCHWARTZ. While the book is primarily addressed to graduate students, it is hoped it might prove useful to research mathe maticians, both pure and applied. The reader may pass, e. g. , from Chapter IX (Analytical Theory of Semi-groups) directly to Chapter XIII (Ergodic Theory and Diffusion Theory) and to Chapter XIV (Integration of the Equation of Evolution). Such materials as "Weak Topologies and Duality in Locally Convex Spaces" and "Nuclear Spaces" are presented in the form of the appendices to Chapter V and Chapter X, respectively. These might be skipped for the first reading by those who are interested rather in the application of linear operators.
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B-measurable B-space B₁ B₂ Baire bounded linear operator bounded set C₂ closed linear operator complex numbers complex-valued contains continuous function continuous linear functional continuous semi-norm converges convex linear topological Corollary defined Definition denote dense domain element equation f₁ finite Fourier transform function f(x ƒ ƒ G₁ H₁ Hence Hilbert space holomorphic implies inequality infinitesimal integral inverse Lš(S Lemma linear subspace linear topological space locally convex linear mapping maximal ideal neighbourhood normed linear space O-lim obtain open set operator H positive constant positive number pre-Hilbert space Proof Proposition proved real number real-valued representation s-lim self-adjoint operator semi-group of class semi-norm solution T₁ T₂ theorem in Chapter topological space topology U₁ uniformly uniquely determined unitary x₁ y₁ YOSIDA
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Nonlinear Functional Analysis and Its Applications: Part 2 B: Nonlinear ...
No preview available - 1989