Theory of Linear Operations (Google eブックス)
Elsevier, 1987/03/01 - 248 ページ
This classic work by the late Stefan Banach has been translated into English so as to reach a yet wider audience. It contains the basics of the algebra of operators, concentrating on the study of linear operators, which corresponds to that of the linear forms a1x1 + a2x2 + ... + anxn of algebra.
The book gathers results concerning linear operators defined in general spaces of a certain kind, principally in Banach spaces, examples of which are: the space of continuous functions, that of the pth-power-summable functions, Hilbert space, etc. The general theorems are interpreted in various mathematical areas, such as group theory, differential equations, integral equations, equations with infinitely many unknowns, functions of a real variable, summation methods and orthogonal series.
A new fifty-page section (``Some Aspects of the Present Theory of Banach Spaces'') complements this important monograph.
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Appendix Weak convergence in Banach spaces
Some aspects of the present theory of Banach spaces
Chapter II Local properties of Banach spaces
Chapter III The approximation property and bases
Chapter VII Biorthogonal sequences
Chapter VIII Linear functionals
Chapter IX Weakly convergent sequences
Chapter X Linear functional equations
Chapter XI Isometry equivalence isomorphism
Chapter XII Linear dimension
Chapter V Classical Banach spaces
adjoint Amer approximation property arbitrary B-measurable Baire condition Bessaga bounded linear functional bounded linear operator Chapter closed linear subspace codomain compact linear operator complemented subspace complete metric space consequently continuous function converges weakly denote derived set dual space elements equations equivalent example exists a sequence f defined F-space Figiel finite following theorem function x(t functional f functions defined given Grothendieck Hausdorff space Hilbert space homeomorphic hypothesis implies inequality infinite-dimensional isometrically isomorphic Kadec lemma Lindenstrauss space linear space linear subspace Lp(u mapping Maurey Mazur measure natural number necessary and sufficient norm pair Pelczyﬁski real numbers reflexive Remark Riesz Rosenthal satisfies the Baire satisfying the conditions scalar separable Banach space sequence of functions sequence of numbers sequence xn space C(K spaces LP Studia Math subset summable theory topological unconditional basis vector space weak convergence weak derived whence xn(t