Gheorghe Munteanu

Complex Spaces in Finsler, Lagrange and Hamilton Geometries

July 2004, ISBN 1-4020-2205-0, Hard cover

Book Series: Fundamental Theories of Physics : Volume 141

This book presents the most recent advances in complex Finsler geometry and related geometries: the geometry of complex Lagrange, Hamilton and Cartan Spaces. The last three spaces were initially introduced to and have been investigated by the author of the present volume over the past several years. This book will acquaint the reader with: - a survey of some basic results from complex manifolds and the complex vector bundles theory, - the geometry of holomorphic tangent bundles, - an analysis of the main results in complex Finsler geometry, - a study of the geometry of complex Lagrange and generalized Lagrange Spaces. Of special interest are their holomorphic subspaces, - the construction of the complex Hamilton geometry, - the complex Finsler vector bundles. Audience: Geometers, complex analysts, and physicists in quantum field theory and in theoretical mechanics will find this book of interest. The volume can be also used as a supplementary graduate text.

Fatkhulla Abdullaev, Vladimir V. Konotop

Nonlinear Waves: Classical and Quantum Aspects

June 2004, ISBN 1-4020-2188-7, Hard cover

Book Series: Nato Science Series: Ii: Mathematics, Physics and Chemistry : Volume 153

Leading scientists discuss the most recent physical and experimental results in the physics of Bose-Einstein condensate theory, the theory of nonlinear lattices (including quantum and nonlinear lattices), and nonlinear optics and photonics. Classical and quantum aspects of the dynamics of nonlinear waves are considered. The contributions focus on the Gross-Pitaevskii equation and on the quantum nonlinear Schrodinger equation. Recent experimental results on atomic condensates and hydrogen bonded systems are reviewed. Particular attention is given to nonlinear matter waves in periodic potential.

Preface. Contributing Authors. - I: Nonlinear Waves. General Topics. Towards algebro-geometric integration of the Gross-Pitaevskii equation; V.Z. Enolskii. On modeling adiabatic N-soliton interactions; V.S. Gerdjikov. Dynamical stabilization of nonlinear waves; F. Abdullaev. Solitons as strange attractors; N. Akhmediev, et al. Multidimensional solitons and vortices in periodic potentials; B.B. Baizakov, et al. Globally-linked vortex clusters; L.-C. Crasovan, et al. Solutions of the logarithmic Schrodinger equation in a rotating harmonic trap; I. Bialynicki-Birula, T. Sowinski. Linear and nonlinear bound states in curved waveguides; Yu.B. Gaididei, et al. Numerical study of a nonlocal sine-Gordon equation; G. Alfimov, et al. From nonlocality to fractional calculus; L. Vazquez. On 3+1 dimensional Friedman-Robertson-Walker universes with matter; T. Christodoulakis, et al. Stochastic effects on the Eckhaus equation; S. De Lillo, G. Sanchini. Modulational instability of some nonlinear nuclear continuum and discrete models; D. Grecu, A. Visinescu. Scattering of NLS solitons with bound quantum states; A. Ludu. "Oscillator-Wave" model: Multiple attractors and strong stability; V. Damgov, P. Trenchev. - II: Bose-Einstein Condensates and Matter Waves. Bose-Einstein condensation: the odd nonlinear quantum mechanics; L.P. Pitaevskii. Statistical mechanics of quantum integrable systems; M. Wadati, et al. Bose-Einstein condensates in an optical lattice; C. Fort, L. Fallani. Bose-Einstein condensates in optical lattices in the nonlinear regime; O. Morsch, E. Arimondo. Quantum bound states and matter waves delocalizations; M. Salerno. Control of matter waves in optical lattices by Feshbach resonance; V.A. Brazhnyi, V.V. Konotop. Two-component Bose-Einstein condensates in optical lattices; N.A. Kostov, et al. Shock waves in Bose-Einstein condensates; A.M. Kamchatnov, et al. - III: Nonlinear Optics and Photonics. Stopping and bending light in 2D photonic structures; A.B. Aceves, T. Dohnal. Model of the two level quantum dots ensemble interacting with ultra-short pulse of coherent radiation; A.I. Maimistov. Enhanced optical transmission via tunnel coupling in surface polaritronic crystals; S.A. Darmanyan, et al. Liquid light in cubic-quintic nonlinear optical materials; H. Michinel, et al. Optical pulse evolution toward light bullet and vortex solution; V. Skarka, et al. The description of extremely short pulses in non-resonant media in frame of Maxwell-Duffing-type models; E.V. Kazantseva. Statistics of three interacting optical solitons; S. Boscolo, et al. Statistical study of Raman scattering in optical fibers affected by random conditions; J. Villarroel. Electromagnetics of unharmonic waves - exactly solvable model; A. Shvartsburg. - IV: Nonlinear Waves in Discrete Systems. Quantum breathers in an attractive fermionic Hubbard model; J.C. Eilbeck, F. Palermo. Energy localization and first order phase transition in solids and molecules; S. Takeno, T. Suzuki. Soliton dynamics in randomly perturbed discrete lattices; J. Garnier. Ultrafast electron transfer: The standard theory revisited; S. Aubry. Nonlinear spectroscopy study of vibrational self-trapping in hydrogen bonded crystals; J. Edler, P. Hamm. Quantum anharmonic phonons in the Fermi-Pasta-Ulam chain; J. Szeftel. Dynamics of the perturbed Ablowitz-Ladik soliton beyond the adiabatic approximation; E.V. Doktorov, et al. Travelling waves in a perturbed discrete sine-Gordon equation; V.M. Rothos, M. Feckan. Dynamics of multicomponent solitons in perturbed ladder lattices; O.O. Vakhnenko. Miwa's representation of the Volterra hierarchy; V.E. Vekslerchik. Moving topological solitons in the discrete Klein-Gordon equation; Ya. Zolotaryuk. Dynamics of discrete solitons in media with varying nonlinearity; F.Kh. Abdullaev, et al. On continuous limits of some generalized compressible Heisenberg spin chains; N.S. Serikbaev, et al. On the geometry of stationary Heisenberg ferromagnets; F.K. Rahimov, et al. - Index.

A.M Samoilenko, R. Petryshyn

Multifrequency Oscillations of Nonlinear Systems

June 2004, ISBN 1-4020-2030-9, Hard cover

Book Series: Mathematics and its Applications : Volume 567

In contrast to other books devoted to the averaging method and the method of integral manifolds, in the present book we study oscillation systems with many varying frequencies. In the process of evolution, systems of this type can pass from one resonance state into another. This fact considerably complicates the investigation of nonlinear oscillations. In the present monograph, a new approach based on exact uniform estimates of oscillation integrals is proposed. On the basis of this approach, numerous completely new results on the justification of the averaging method and its applications are obtained and the integral manifolds of resonance oscillation systems are studied. This book is intended for a wide circle of research workers, experts, and engineers interested in oscillation processes, as well as for students and post-graduate students specialized in ordinary differential equations. This book opens new possibilities of the application of the averaging method to the solution of problems in mechanics, radio engineering, and control.

Contents and Contributors

Introduction. 1: Averaging Method in Oscillation Systems with Variable Frequencies. 1. Uniform Estimates for One-Dimensional Oscillation Integrals. 2. Justification of Averaging Method for Oscillation Systems with omega = omega(tau). 3. Investigation of Two-Frequency Systems. 4. Justification of Averaging Method for Oscillation Systems with omega = omega(x, tau). 5. Averaging over All Fast Variables in Multifrequency Systems of Higher Approximation. 2: Averaging Method in Multipoint Problems. 6. Boundary-Value Problems for Oscillation Systems with Frequencies Dependent on Time Variable. 7. Theorem on Justification of Averaging Method on Entire Axis. 8. Multipoint Problem for Resonance Multifrequency Systems. 9. Estimates of the Error of Averaging Method for Multipoint Problems in Critical Case. 10. Theorems on Existence of Solutions of Boundary-Value Problems. 11. Boundary-Value Problems with Parameters. 3: Integral Manifolds. 12. Auxiliary Statements. 13. Construction of Successive Approximations. 14. Existence of Integral Manifold. 15. Conditional Asymptotic Stability of Integral Manifold. 16. Smoothness of Integral Manifold. 17. Asymptotic Expansion of Integral Manifold. 18. Decomposition of Equations in the Neighborhood of Asymptotically Stable Integral Manifold. 19. Proof of Theorem 18.1. 20. Investigation of Second-Order Oscillation Systems. 21. Weakening of Conditions in the Theorem on Integral Manifold. 4: Investigation of a Dynamical System in the Neighborhood of Quasiperiodic Trajectory. 22. Statement and General description of the Problem. 23. Theorem on Reducibility. 24. Variational Equation and Theorem on Attraction to Quasiperiodic Solutions. 25. Behavior of Trajectories under Small Perturbations of a Dynamical System. 26. The Case of a Toroidal Manifold Filled with Trajectories of General Form. 27. Discrete Dynamical System in the Neighborhood of a Quasiperiodic Trajectory. References

Charles Castaing, Paul Raynaud de Fitte, Michel Valadier

Young Measures on Topological Spaces
with Applications in Control Theory and Probability Theory

June 2004, ISBN 1-4020-1963-7, Hard cover

Book Series: Mathematics and its Applications : Volume 571

Young measures are now a widely used tool in the Calculus of Variations, in Control Theory, in Probability Theory and other fields. They are known under different names such as "relaxed controls", "fuzzy random variables" and many other names. This monograph provides a unified presentation of the theory, along with new results and applications in various fields. It can serve as a reference on the subject. Young measures are presented in a general setting which includes finite and for the first time infinite dimensional spaces: the fields of applications of Young measures (Control Theory, Calculus of Variations, Probability Theory...) are often concerned with problems in infinite dimensional settings. The theory of Young measures is now well understood in a finite dimensional setting, but open problems remain in the infinite dimensional case. We provide several new results in the general frame, which are new even in the finite dimensional setting, such as characterizations of convergence in measure of Young measures (Chapter 3) and compactness criteria (Chapter 4).These results are established under a different form (and with less details and developments) in recent papers by the same authors. We also provide new applications to Visintin and Reshetnyak type theorems (Chapters 6 and 8), existence of solutions to differential inclusions (Chapter 7), dynamical programming (Chapter 8) and the Central Limit Theorem in locally convex spaces (Chapter 9).

John M. Bryden

Advances in Topological Quantum Field Theory
Proceedings of the NATO ARW on New Techniques in Topological Quantum Field Theory, Kananaskis Village, Canada from 22to 26 August 2001.

October 2004, ISBN 1-4020-2770-2, Hard cover

Book Series: Nato Science Series: Ii: Mathematics, Physics and Chemistry : Volume 179

This volume is the conference proceedings of the NATO ARW during August 2001 at Kananaskis Village, Canada on "New Techniques in Topological Quantum Field Theory". This conference brought together specialists from a number of different fields all related to Topological Quantum Field Theory. The theme of this conference was to attempt to find new methods in quantum topology from the interaction with specialists in these other fields. The featured articles include papers by V.Vassiliev on combinatorial formulas for cohomology of spaces of Knots, the computation of Ohtsuki series by N. Jacoby and R. Lawrence, and a paper by M. Asaeda and J. Przytycki on the torsion conjecture for Khovanov homology by Shumakovitch. Moreover, There are articles on more classical topics related to manifolds and braid groups by such well known authors as D. Rolfsen, H. Zieschang and F. Cohen.

Contents and Contributors

Table of Contents Editorial Combinatorial Formulas for Cohomology of spaces of Knots V. Vassiliev On the Homology of Spaces of Long Knots; V. Tourtchine Some computations of Ohtsuki series: N. Jacoby and R. Lawrence From 3-moves to Lagrangian tangles and cubic skein modules; J. Przytycki On Spin and Complex Spin Borromean Surgeries; F. Deloup Khovanov homology: torsion and thickness; Marta M. Asaeda and Jozef II. Przytycki Khovanov Homology for Knots and Links up to 11 Crossings; D. Bar Natan. Perturbative Quantum Field Theory and L Algebras; L. lonescu A linking form conjecture for 3-manifolds; J. Bryden and F. Deloup Mappings of non-zero degree between 3-manifolds: a new obstruction; D. Rolfsen On braid groups, homotopy groups, and modular forms; F. Cohen A note on symplectic circle actions and Massey products; Z. Stipiei and A. Tralle Realization of Primitive Branched Coverings over Closed Surfaces; S.A.Bogatyi , D.L. Goncalves, E.A. Kudryavtseva, H. Zieschang Cohomology Rings of Oriented Seifert Manifolds with mod p Coefficients; J. Bryden On cyclic covers of the Riemann sphere and a related class of curves; S. Kallel, D. Sjerve, Y. Song

Michael Patrick Allen

Understanding Regression Analysis

May 2004, ISBN 0-306-48433-1, Paperback

By assuming it is possible to understand regression analysis without fully comprehending all its underlying proofs and theories, this introduction to the widely used statistical technique is accessible to readers who may have only a rudimentary knowledge of mathematics. Chapters discuss:

Contents
The Origins and Uses of Regression Analysis. Basic Matrix Algebra: Manipulating Vectors. The Mean and Variance of a Variable. Regression Models and Linear Functions. Errors of Prediction and Least-Squares Estimation. Least-Squares Regression and Covariance. Covariance and Linear Independence. Separating Explained and Error Variance. Transforming Variables to Standard Form. Regression Analysis with Standardized Variables. Populations, Samples, and Sampling Distributions. Sampling Distributions and Test Statistics. Testing Hypotheses Using the t Test. The t Test for the Simple Regression Coefficient. More Matrix Algebra: Manipulating Matrices. The Multiple Regression Model. Normal equations and Partial Regression Coefficients. Partial Regression and Residualized Variables. The Coefficient of Determination in Multiple Regression. Standard Errors of Partial Regression Coefficients. The Incremental Contributions of Variables. Testing Simple Hypotheses Using the F Test. Testing Compound Hypotheses Using the F Test. Testing Hypotheses in Nested Regression Models. Testing for Interaction in Multiple Regression. Nonlinear Relationships and Variable Transformations. 13 Additional Chapters. Appendices. Index.