Samoilenko anatolii (90 resultados)

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Hardback or Cased Book. Condición: New. Spectral Theory of Families of Self-Adjoint Operators. Book.

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17 x 25 cm. 332 pages. Hardcover. Versand aus Deutschland / We dispatch from Germany via Air Mail. Einband bestoßen, daher Mängelexemplar gestempelt, sonst sehr guter Zustand. Imperfect copy due to slightly bumped cover, apart from this in very good condition. Stamped. Sprache: Englisch.

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Condición: New. pp. 332 Index.

Condición: New. pp. xiv + 280.

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Condición: New. pp. 336 Index.

Taschenbuch. Condición: Neu. Druck auf Anfrage Neuware - Printed after ordering - 1. Periodic and quasi-periodic functions.- 1.1. The function spaces $$C^r left( {mathcal{T}_m }ight)$$and $$H^r left( {mathcal{T}_m }ight)$$.- 1.2. Structure of the spaces $$H^r left( {mathcal{T}_m }ight)$$. Sobolev theorems.- 1.3. Main inequalities in $$C^r left( omegaight)$$.- 1.4. Quasi-periodic functions. The spaces $$H^r left( omegaight)$$.- 1.5. The spaces $$H^r left( omegaight)$$ and their structure.- 1.6. First integral of a quasi-periodic function.- 1.7. Spherical coordinates of a quasi-periodic vector function.- 1.8. The problem on a periodic basis in En.- 1.9. Logarithm of a matrix in $$C^l left( {mathcal{T}_m }ight)$$. Sibuja's theorem.- 1.10. Gårding's inequality.- 2. Invariant sets and their stability.- 2.1. Preliminary notions and results.- 2.2. One-sided invariant sets and their properties.- 2.3. Locally invariant sets. Reduction principle.- 2.4. Behaviour of an invariant set under small perturbations of the system.- 2.5. Quasi-periodic motions and their closure.- 2.6. Invariance equations of a smooth manifold and the trajectory flow on it.- 2.7. Local coordinates in a neighbourhood of a toroidal manifold. Stability of an invariant torus.- 2.8. Recurrent motions and multi-frequency oscillations.- 3. Some problems of the linear theory.- 3.1. Introductory remarks and definitions.- 3.2. Adjoint system of equations. Necessary conditions for the existence of an invariant torus.- 3.3. Necessary conditions for the existence of an invariant torus of a linear system with arbitrary non-homogeneity in $$Cleft( {mathcal{T}_m }ight)$$.- 3.4. The Green's function. Sufficient conditions for the existence of an invariant torus.- 3.5. Conditions for the existence of an exponentially stable invariant torus.-3.6. Uniqueness conditions for the Green's function and the properties of this function.- 3.7. Separatrix manifolds. Decomposition of a linear system.- 3.8. Sufficient conditions for exponential dichotomy of an invariant torus.- 3.9. Necessary conditions for an invariant torus to be exponentially dichotomous.- 3.10. Conditions for the $$C'left( {mathcal{T}_m }ight)$$-block decomposability of an exponentially dichotomous system.- 3.11. On triangulation and the relation between the $$C'left( {mathcal{T}_m }ight)$$)-block decomposability of a linear system and the problem of the extendability of an r-frame to a periodic basis in En.- 3.12. On smoothness of an exponentially stable invariant torus.- 3.13. Smoothness properties of Green's functions, the invariant torus and the decomposing transformation of an exponentially dichotomous system.- 3.14. Galerkin's method for the construction of an invariant torus.- 3.15. Proof of the main inequalities for the substantiation of Galerkin's method.- 4. Perturbation theory of an invariant torus of a non linear system.- 4.1. Introductory remarks. The linearization process.- 4.2. Main theorem.- 4.3. Exponential stability of an invariant torus and conditions for its preservation under small perturbations of the system.- 4.4. Theorem on exponential attraction of motions in a neighbourhood of an invariant torus of a system to its motions on the torus.- 4.5. Exponential dichotomy of invariant torus and conditions for its preservation under small perturbations of the system.- 4.6. An estimate of the smallness of a perturbation and the maximal smoothness of an invariant torus of a non-linear system.- 4.7. Galerkin's method for the construction of an invariant torus of a non-linear system of equations and its linearmodification.- 4.8. Proof of Moser's lemma.- 4.9. Invariant tori of systems of differential equations with rapidly and slowly changing variables.- Author index.- Index of notation.…

Buch. Condición: Neu. Druck auf Anfrage Neuware - Printed after ordering - 1. Periodic and quasi-periodic functions.- 1.1. The function spaces $$C^r left( {mathcal{T}_m } right)$$and $$H^r left( {mathcal{T}_m } right)$$.- 1.2. Structure of the spaces $$H^r left( {mathcal{T}_m } right)$$. Sobolev theorems.- 1.3. Main inequalities in $$C^r left( omega right)$$.- 1.4. Quasi-periodic functions. The spaces $$H^r left( omega right)$$.- 1.5. The spaces $$H^r left( omega right)$$ and their structure.- 1.6. First integral of a quasi-periodic function.- 1.7. Spherical coordinates of a quasi-periodic vector function.- 1.8. The problem on a periodic basis in En.- 1.9. Logarithm of a matrix in $$C^l left( {mathcal{T}_m } right)$$. Sibuja's theorem.- 1.10. Gårding's inequality.- 2. Invariant sets and their stability.- 2.1. Preliminary notions and results.- 2.2. One-sided invariant sets and their properties.- 2.3. Locally invariant sets. Reduction principle.- 2.4. Behaviour of an invariant set under small perturbations of the system.- 2.5. Quasi-periodic motions and their closure.- 2.6. Invariance equations of a smooth manifold and the trajectory flow on it.- 2.7. Local coordinates in a neighbourhood of a toroidal manifold. Stability of an invariant torus.- 2.8. Recurrent motions and multi-frequency oscillations.- 3. Some problems of the linear theory.- 3.1. Introductory remarks and definitions.- 3.2. Adjoint system of equations. Necessary conditions for the existence of an invariant torus.- 3.3. Necessary conditions for the existence of an invariant torus of a linear system with arbitrary non-homogeneity in $$Cleft( {mathcal{T}_m } right)$$.- 3.4. The Green's function. Sufficient conditions for the existence of an invariant torus.- 3.5. Conditions for the existence of an exponentially stable invariant torus.-3.6. Uniqueness conditions for the Green's function and the properties of this function.- 3.7. Separatrix manifolds. Decomposition of a linear system.- 3.8. Sufficient conditions for exponential dichotomy of an invariant torus.- 3.9. Necessary conditions for an invariant torus to be exponentially dichotomous.- 3.10. Conditions for the $$C'left( {mathcal{T}_m } right)$$-block decomposability of an exponentially dichotomous system.- 3.11. On triangulation and the relation between the $$C'left( {mathcal{T}_m } right)$$)-block decomposability of a linear system and the problem of the extendability of an r-frame to a periodic basis in En.- 3.12. On smoothness of an exponentially stable invariant torus.- 3.13. Smoothness properties of Green's functions, the invariant torus and the decomposing transformation of an exponentially dichotomous system.- 3.14. Galerkin's method for the construction of an invariant torus.- 3.15. Proof of the main inequalities for the substantiation of Galerkin's method.- 4. Perturbation theory of an invariant torus of a non linear system.- 4.1. Introductory remarks. The linearization process.- 4.2. Main theorem.- 4.3. Exponential stability of an invariant torus and conditions for its preservation under small perturbations of the system.- 4.4. Theorem on exponential attraction of motions in a neighbourhood of an invariant torus of a system to its motions on the torus.- 4.5. Exponential dichotomy of invariant torus and conditions for its preservation under small perturbations of the system.- 4.6. An estimate of the smallness of a perturbation and the maximal smoothness of an invariant torus of a non-linear system.- 4.7. Galerkin's method for the construction of an invariant torus of a non-linear system of equations and its linearmodification.- 4.8. Proof of Moser's lemma.- 4.9. Invariant tori of systems of differential equations with rapidly and slowly changing variables.- Author index.- Index of notation.…

Buch. Condición: Neu. Druck auf Anfrage Neuware - Printed after ordering - Comments to the introduction.- I Families of Commuting Normal Operators.- 1. Spectral Analysis of Countable Families of Commuting Self-Adjoint Operators (CSO).- 2. Unitary Representations of Inductive Limits of Commutative Locally Compact Groups.- 3. Differential Operators With Constant Coefficients In Spaces of Functions of Infinitely Many Variables.- Inductive Limits of Finite-Dimensional Lie Algebras and Their Representations.- 4. Canonical Commutation Relations (CCR) of Systems with Countable Degrees of Freedom.- 5. Unitary Representations of The Group of Finite SU(2)-Currents on A Countable Set.- 6. Representations of The Group of Upper Triangular Matrices.- 7. A Class of Inductive Limits of Groups and Their Representations.- Collections of Unbounded Self-Adjoint operators Satisfying General Relations.- 8. Anticommuting Self-Adjoint Operators.- 9. Finite and Countable Collections of Gradedcommuting Self-Adjoint Operators (GCSO).- 10. Collections Of Unbounded CSO (Ak) And CSO (Bk) Satisfying General Commutation Relations.- Representations of Operator Algebras And Non-Commutative Random Sequences.- 11. C\* -ALGEBRASU0 And Their Representations.- 12. Non-Commutative Random Sequences and Methods for Their Construction.…

Gebunden. Condición: New. 1. Periodic and quasi-periodic functions.- 1.1. The function spaces $$C^r left( {mathcal{T}_m } right)$$and $$H^r left( {mathcal{T}_m } right)$$.- 1.2. Structure of the spaces $$H^r left( {mathcal{T}_m } right)$$. Sobolev theorems.- 1.3. Main inequalities i.

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Karton Karton. Condición: Sehr gut. 317 Seiten Zust: Gutes Exemplar. Schneller Versand und persönlicher Service - jedes Buch händisch geprüft und beschrieben - aus unserem Familienbetrieb seit über 25 Jahren. Eine Rechnung mit ausgewiesener Mehrwertsteuer liegt jeder unserer Lieferungen bei. Wir versenden mit der deutschen Post. Sprache: Englisch Gewicht in Gramm: 722.…

Buch. Condición: Neu. Elements of the Mathematical Theory of Multi-Frequency Oscillations | Anatolii M. Samoilenko | Buch | Mathematics and Its Applications | xvi | Englisch | 1991 | Springer | EAN 9780792314387 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.…

Condición: New. In English.

Buch. Condición: Neu. Druck auf Anfrage Neuware - Printed after ordering - Many problems in celestial mechanics, physics and engineering involve the study of oscillating systems governed by nonlinear ordinary differential equations or partial differential equations. This volume represents an important contribution to the available methods of solution for such systems. The contents are divided into six chapters. Chapter 1 presents a study of periodic solutions for nonlinear systems of evolution equations including differential equations with lag, systems of neutral type, various classes of nonlinear systems of integro-differential equations, etc. A numerical-analytic method for the investigation of periodic solutions of these evolution equations is presented. In Chapters 2 and 3, problems concerning the existence of periodic and quasiperiodic solutions for systems with lag are examined. For a nonlinear system with quasiperiodic coefficients and lag, the conditions under which quasiperiodic solutions exist are established. Chapter 4 is devoted to the study of invariant toroidal manifolds for various classes of systems of differential equations with quasiperiodic coefficients. Chapter 5 examines the problem concerning the reducibility of a linear system of difference equations with quasiperiodic coefficients to a linear system of difference equations with constant coefficients. Chapter 6 contains an investigation of invariant toroidal sets for systems of difference equations with quasiperiodic coefficients. For mathematicians whose work involves the study of oscillating systems.…

Condición: New. In English.

Condición: New. In English.