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Hilbert Space Operators : A Problem Solving Approach / by Carlos S. Kubrusly
版 | 1st ed. 2003. |
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出版者 | Boston, MA : Birkhäuser Boston : Imprint: Birkhäuser |
出版年 | 2003 |
本文言語 | 英語 |
大きさ | XIII, 149 p : online resource |
著者標目 | *Kubrusly, Carlos S author SpringerLink (Online service) |
件 名 | LCSH:Operator theory LCSH:Functional analysis LCSH:Mathematical physics FREE:Operator Theory FREE:Functional Analysis FREE:Mathematical Methods in Physics |
一般注記 | 1 Invariant Subspaces -- Problem 1.1 Closure -- Problem 1.2 Kernel and Range -- Problem 1.3 Null Product -- Problem 1.4 Operator Equation -- Problem 1.5 Nilpotent and Algebraic -- Problem 1.6 Polynomials -- Problem 1.7 Totally Cyclic -- Problem 1.8 Densely Intertwined -- Problem 1.9 Hyperinvariant -- Problem 1.10 Quasiaffine Transform -- Solutions -- 2 Hilbert Space Operators -- Problem 2.1 Adjoint -- Problem 2.2 Nonnegative -- Problem 2.3 Contraction -- Problem 2.4 Normal -- Problem 2.5 Isometry -- Problem 2.6 Unitary -- Problem 2.7 Projection -- Problem 2.8 Mutually Orthogonal -- Problem 2.9 Increasing -- Solutions -- 3 Convergence and Stability -- Problem 3.1 Diagonal -- Problem 3.2 Product -- Problem 3.3 * -Preserving -- Problem 3.4 Nonnegative -- Problem 3.5 Monotone -- Problem 3.6 Self-Adjoint -- Problem 3.7 Commutant -- Problem 3.8 Convex Cone -- Problem 3.9 Absolute Value -- Solutions -- 4 Reducing Subspaces -- Problem 4.1 T-Invariant -- Problem 4.2 Matrix Form -- Problem 4.3 T*-Invariant -- Problem 4.4 T and T*-Invariant -- Problem 4.5 Commuting with T and T* -- Problem 4.6 Reducible -- Problem 4.7 Restriction -- Problem 4.8 Direct Sum -- Problem 4.9 Unitarily Equivalent -- Problem 4.10 Unitary Restriction -- Solutions -- 5 Shifts -- Problem 5.1 Unilateral -- Problem 5.2 Bilateral -- Problem 5.3 Multiplicity -- Problem 5.4 Unitarily Equivalent -- Problem 5.5 Reducible -- Problem 5.6 Irreducible -- Problem 5.7 Rotation -- Problem 5.8 Riemann-Lebesgue Lemma -- Problem 5.9 Weighted Shift -- Problem 5.10 Nonnegative Weights -- Solutions -- 6 Decompositions -- Problem 6.1 Strong Limit -- Problem 6.2 Projection -- Problem 6.3 Kernels -- Problem 6.4 Kernel Decomposition -- Problem 6.5 Intertwined to Isometry -- Problem 6.6 Dual Limits -- Problem 6.7 Nagy-Foia?-Langer Decomposition -- Problem 6.8 von Neumann-Wold Decomposition.-Problem 6.9 Another Decomposition -- Problem 6.10 Foguel Decomposition -- Problem 6.11 Isometry -- Problem 6.12 Coisometry -- Problem 6.13 Strongly Stable -- Problem 6.14 Property PF -- Problem 6.15 Direct Summand -- Solutions -- 7 Hyponormal Operators -- Problem 7.1 Quasinormal -- Problem 7.2 Strong Stability -- Problem 7.3 Hyponormal -- Problem 7.4 Direct Proof -- Problem 7.5 Invariant Subspace -- Problem 7.6 Restriction -- Problem 7.7 Normal -- Problem 7.8 Roots of Powers -- Problem 7.9 Normaloid -- Problem 7.10 Power Inequality -- Problem 7.11 Unitarily Equivalent -- Problem 7.12 Subnormal -- Problem 7.13 Not Subnormal -- Problem 7.14 Distinct Weights -- Solutions -- 8 Spectral Properties -- Problem 8.1 Spectrum -- Problem 8.2 Eigenspace -- Problem 8.3 Examples -- Problem 8.4 Residual Spectrum -- Problem 8.5 Weighted Shift -- Problem 8.6 Uniform Stability -- Problem 8.7 Finite Rank -- Problem 8.8 Stability for Compact -- Problem 8.9 Continuous Spectrum -- Problem 8.10 Compact Contraction -- Problem 8.11 Normal -- Problem 8.12 Square Root -- Problem 8.13 Fuglede Theorem -- Problem 8.14 Quasinormal -- Problem 8.15 Fuglede-Putnam Theorem -- Problem 8.16 Reducible -- Solutions -- 9 Paranormal Operators -- Problem 9.1 Quasihyponormal -- Problem 9.2 Semi-quasihyponormal -- Problem 9.3 Paranormal -- Problem 9.4 Square of Paranormal -- Problem 9.5 Alternative Definition -- Problem 9.6 Unitarily Equivalent -- Problem 9.7 Weighted Shift -- Problem 9.8 Equivalences -- Problem 9.9 Not Paranormal -- Problem 9.10 Projection ? Nilpotent -- Problem 9.11 Shifted Operators -- Problem 9.12 Shifted Projections -- Problem 9.13 Shifted Seif-Adjoints -- Problem 9.14 Examples -- Problem 9.15 Hyponormal -- Problem 9.16 Invertible -- Problem 9.17 Paranormal Inequality -- Problem 9.18 Normaloid -- Problem 9.19 Cohyponormal -- Problem 9.20 StronglyStable -- Problem 9.21 Quasinormal -- Solutions -- 10 Proper Contractions -- Problem 10.1 Equivalences -- Problem 10.2 Diagonal -- Problem 10.3 Compact -- Problem 10.4 Adjoint -- Problem 10.5 Paranormal -- Problem 10.6 Nagy-Foia? Classes -- Problem 10.7 Weakly Stable -- Problem 10.8 Hyponormal -- Problem 10.9 Subnormal -- Problem 10.10 Quasinormal -- Problem 10.11 Direct Proof -- Problem 10.12 Invariant Subspace -- Solutions -- 11 Quasireducible Operators -- Problem 11.1 Alternative Definition -- Problem 11.2 Basic Properties -- Problem 11.3 Nilpotent -- Problem 11.4 Index 2 -- Problem 11.5 Higher Indices -- Problem 11.6 Product -- Problem 11.7 Unitarily Equivalent -- Problem 11.8 Similarity -- Problem 11.9 Unilateral Shift -- Problem 11.10 Isometry -- Problem 11.11 Quasinormal -- Problem 11.12 Weighted Shift -- Problem 11.13 Subnormal -- Problem 11.14 Commutator -- Problem 11.15 Reducible -- Problem 11.16 Normal -- Solutions -- 12 The Lomonosov Theorem -- Problem 12.1 Hilden’s Proof -- Problem 12.2 Lomonosov Lemma -- Problem 12.3 Lomonosov Theorem -- Problem 12.4 Extension -- Problem 12.5 Quasireducible -- Problem 12.6 Hyponormal -- Solutions -- References This is a problem book on Hilbert space operators (Le. , on bounded linear transformations of a Hilbert space into itself) where theory and problems are investigated together. We tre!l:t only a part of the so-called single operator theory. Selected prob lems, ranging from standard textbook material to points on the boundary of the subject, are organized into twelve chapters. The book begins with elementary aspects of Invariant Subspaces for operators on Banach spaces 1. Basic properties of Hilbert Space Operators are introduced in in Chapter Chapter 2, Convergence and Stability are considered in Chapter 3, and Re ducing Subspaces is the theme of Chapter 4. Primary results about Shifts on Hilbert space comprise Chapter 5. These are introductory chapters where the majority of the problems consist of auxiliary results that prepare the ground for the next chapters. Chapter 6 deals with Decompositions for Hilbert space contractions, Chapter 7 focuses on Hyponormal Operators, and Chapter 8 is concerned with Spectral Properties of operators on Banach and Hilbert spaces. The next three chapters (as well as Chapter 6) carry their subjects from an introductory level to a more advanced one, including some recent results. Chapter 9 is about Paranormal Operators, Chapter 10 covers Proper Contractions, and Chapter 11 searches through Quasi reducible Operators. The final Chapter 12 commemorates three decades of The Lomonosov Theorem on nontrivial hyperinvariant subspaces for compact operators HTTP:URL=https://doi.org/10.1007/978-1-4612-2064-0 |
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電子ブック | オンライン | 電子ブック |
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Springer eBooks | 9781461220640 |
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EB00236416 |
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データ種別 | 電子ブック |
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分 類 | LCC:QA329-329.9 DC23:515.724 |
書誌ID | 4000105447 |
ISBN | 9781461220640 |
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