Sengupta, A. (Ed.)

Chaos, Nonlinearity, Complexity
The Dynamical Paradigm of Nature

Series: Studies in Fuzziness and Soft Computing , Vol. 206
2006, XVI, 358 p., 60 illus., Hardcover
ISBN-10: 3-540-31756-2
ISBN-13: 978-3-540-31756-2

About this book

This carefully edited book presents a focused debate on the mathematics and physics of chaos, nonlinearity and complexity in nature. It explores the role of non-extensive statistical mechanics in non-equilibrium thermodynamics, and presents an overview of the strong nonlinearity of chaos and complexity in natural systems that draws on the relevant mathematics from topology, measure-theory, inverse and ill-posed problems, set-valued analysis, and nonlinear functional analysis. It presents a self-contained scientific theory of complexity and complex systems as the steady state of non-equilibrium systems, denoting a homeostatic dynamic equilibrium between stabilizing order and destabilizing disorder.

Table of contents

Chaos, Periodicity and Complexity on Dynamical Systems.- Foundations of Nonextensive Statistical Mechanics.- Critical Attractors and the Physical Realm of q-statistics.- Non-Boltzmannian Entropies for Complex Classical Systems, Quantum Coherent States and Black Holes.- Power Law and Tsallis Entropy: Network Traffic and Applications.- The Role of Chaos and Resonances in Brownian Motion.- Models of Finite Bath and Generalised Thermodynamics.- Quantum Black Hole Thermodynamics.- Complexity in Organizations: A Paradigm Shift.- Chaos, Nonlinearity, Complexity: A Unified Perspective.

Plotnitsky, Arkady

Reading Bohr: Physics and Philosophy

Series: Fundamental Theories of Physics , Vol. 152
2006, XIII, 229 p., Hardcover
ISBN-10: 1-4020-5253-7
ISBN-13: 978-1-4020-5253-8

About this book

Reading Bohr: Physics and Philosophy offers a new perspective on Niels Bohr's interpretation of quantum mechanics as complementarity, and on the relationships between physics and philosophy in Bohr's work, which has had momentous significance for our understanding of quantum theory and of the nature of knowledge in general. Philosophically, the book reassesses Bohr's place in the Western philosophical tradition, from Kant and Hegel on. Physically, it reconsiders the main issues at stake in the Bohr-Einstein confrontation and in the ongoing debates concerning quantum physics. It also devotes greater attention than in most commentaries on Bohr to the key developments and transformations of his thinking concerning complementarity.
Most significant among them were those that occurred, first, under the impact of Bohr's exchanges with Einstein and, second, under the impact of developments in quantum theory itself, both quantum mechanics and quantum field theory. The importance of quantum field theory for Bohr's thinking has not been adequately addressed in the literature on Bohr, to the considerable detriment to our understanding of the history of quantum physics. Filling this lacuna is one of the main contributions of the book, which also enables us to show why quantum field theory compels us to move beyond Bohr without, however, simply leaving him behind.

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Griebel, Michael; Schweitzer, Marc A. (Eds.)

Meshfree Methods for Partial Differential Equations III

Series: Lecture Notes in Computational Science and Engineering , Vol. 57
2007, VIII, 312 p., 165 illus., 9 in colour, Softcover
ISBN-10: 3-540-46214-7
ISBN-13: 978-3-540-46214-9

About this book

Meshfree methods for the numerical solution of partial differential equations are becoming more and more mainstream in many areas of applications. Their flexiblity and wide applicability are attracting engineers, scientists, and mathematicians to this very dynamic research area. This volume represents the state of the art in meshfree methods. It consists of articles which address the different meshfree techniques, their mathematical properties and their application in applied mathematics, physics and engineering.

Written for:

Researchers and graduate students in Mathematics, Engineering and Physics

Keywords:

element-free Galerkin methods
engineering applications
kernel particle methods
meshfree discretizations
meshless methods
partial differential equations
partition of unity method
smoothed particle hydrodynamics
stochastic particle methods

Golan, Jonathan S.

The Linear Algebra, 2nd. ed.
- A Beginning Graduate Student Ought to Know

2007, Approx. 445 p., Softcover

ISBN-10: 1-4020-5494-7
ISBN-13: 978-1-4020-5494-5

About this textbook

Linear algebra is a living, active branch of mathematics which is central to almost all other areas of mathematics, both pure and applied, as well as computer science, the physical and social sciences, and engineering. It entails an extensive corpus of theoretical results as well as a large body of computational techniques. Unfortunately, in recent years the content of the linear algebra courses required to complete an undergraduate degree in mathematics has been depleted to the extent that they fail to provide a sufficient theoretical or computational background. Students are not only less able to formulate or even follow mathematical proofs, they are also less able to understand the mathematics of the numerical algorithms they need for applications. Certainly, the material presented in the average undergraduate linear algebra course is insufficient for graduate study. This book is intended to fill this gap by providing enough material "theoretical and computational" to allow the student to work independently or in advanced courses.

Table of contents

1. Notation and terminology.- 2. Fields.- 3. Vector spaces over a field.- 4. Algebras over a field.- 5. Linear Dependence and Dimension.- 6. Linear Transformations.- 7. The endomorphism algebra of a vector space.- 8. Representation of linear transformations by matrices.- 9. The algebra of square matrices.- 10. Systems of linear equations.- 11.Determinants.- 12. Eigenvalues and eigenvectors.- 13. Krylov subspaces.- 14. The dual space.- 15. Inner product spaces.- 16. Orthogonality.- 17. Selfadjoint endomorphisms.- 18. Unitary and normal endomorphisms.- 19. Moore-Penrose pseudoinverses.- 20. Bilinear transformations and forms.

Buchmann, Johannes, Vollmer, Ulrich

Binary Quadratic Forms
An Algorithmic Approach

Series: Algorithms and Computation in Mathematics , Vol. 20
2007, Approx. 240 p., 17 illus., Hardcover
ISBN-10: 3-540-46367-4
ISBN-13: 978-3-540-46367-2

About this book

The book deals with algorithmic problems related to binary quadratic forms, such as finding the representations of an integer by a form with integer coefficients, finding the minimum of a form with real coefficients and deciding equivalence of two forms. In order to solve those problems, the book introduces the reader to important areas of number theory such as diophantine equations, reduction theory of quadratic forms, geometry of numbers and algebraic number theory. The book explains applications to cryptography. It requires only basic mathematical knowledge.

Table of contents

1 Binary Quadratic Forms.- 2 Equivalence of Forms.- 3 Constructing Forms.- 4 Forms, Bases, Points, and Lattices.- 5 Reduction of Positive Definite Forms.- 6 Reduction of Indefinite Forms.- 7 Multiplicative Lattices.- 8 Quadratic Number Fields.- 9 Class Groups.- 10 Infrastructure.- 11 Subexponential Algorithms.- 12 Cryptographic Applications.- Appendix - Bibliography - References - Subject Index - Index.

Cordes, Heinz Otto

Precisely Predictable Dirac Observables

Series: Fundamental Theories of Physics , Vol. 154
2006, XIX, 275 p., Hardcover
ISBN-10: 1-4020-5168-9
ISBN-13: 978-1-4020-5168-5

About this book

This work presents a "Clean Quantum Theory of the Electron", based on Diracfs equation. "Clean" in the sense of a complete mathematical explanation of the well known paradoxes of Diracfs theory, and a connection to classical theory, including the motion of a magnetic moment (spin) in the given field, all for a charged particle (of spin ?) moving in a given electromagnetic field.

This theory is relativistically covariant, and it may be regarded as a mathematically consistent quantum-mechanical generalization of the classical motion of such a particle, a la Newton and Einstein. Normally, our fields are time-independent, but also discussed is the time-dependent case, where slightly different features prevail. A "Schroedinger particle", such as a light quantum, experiences a very different (time-dependent) "Precise Predictablity of Observables". An attempt is made to compare both cases.
There is not the Heisenberg uncertainty of location and momentum; rather, location alone possesses a built-in uncertainty of measurement.

Mathematically, our tools consist of the study of a pseudo-differential operator (i.e. an "observable") under conjugation with the Dirac propagator: such an operator has a "symbol" approximately propagating along classical orbits, while taking its "spin" along. This is correct only if the operator is "precisely predictable", that is, it must approximately commute with the Dirac Hamiltonian, and, in a sense, will preserve the subspaces of electronic and positronic states of the underlying Hilbert space.

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Gray, Jeremy

Worlds Out of Nothing
A Course in the History of Geometry in the 19th Century

Series: Springer Undergraduate Mathematics Series
2007, CCCLXXVI, 24 p., 68 illus., Softcover
ISBN-10: 1-84628-632-8
ISBN-13: 978-1-84628-632-2

About this textbook

Worlds out of Nothing is the first book to provide a course on the history of geometry in the 19th century. Based on the latest historical research, the book is aimed primarily at undergraduate and graduate students in mathematics but will also appeal to the reader with a general interest in the history of mathematics. Emphasis is placed on understanding the historical significance of the new mathematics: Why was it done? How - if at all - was it appreciated? What new questions did it generate?

Topics covered in the first part of the book are projective geometry, especially the concept of duality, and non-Euclidean geometry. The book then moves on to the study of the singular points of algebraic curves (Pluckerfs equations) and their role in resolving a paradox in the theory of duality; to Riemannfs work on differential geometry; and to Beltramifs role in successfully establishing non-Euclidean geometry as a rigorous mathematical subject. The final part of the book considers how projective geometry, as exemplified by Kleinfs Erlangen Program, rose to prominence, and looks at Poincarefs ideas about non-Euclidean geometry and their physical and philosophical significance. It then concludes with discussions on geometry and formalism, examining the Italian contribution and Hilbertfs Foundations of Geometry; geometry and physics, with a look at some of Einsteinfs ideas; and geometry and truth.

Three chapters are devoted to writing and assessing work in the history of mathematics, with examples of sample questions in the subject, advice on how to write essays, and comments on what instructors should be looking for.

Jeremy Gray is Professor of the History of Mathematics and Director of the Centre for the History of the Mathematical Sciences at the Open University in England, and is an Honorary Professor in the Mathematics Department at the University of Warwick. He is the author, co-author, or editor of 14 books on the history of mathematics in the 19th and 20th Centuries.

Table of contents

Mathematics in the French Revolution.- Poncelet (and Pole and Polar).- Theorems in Projective Geometry.- Ponceletfs Traite.- Duality and the Duality Controversy.- Poncelet and Chasles.- Lambert and Legendre.- Gauss.- Janos Bolyai.- Lobachevskii.- To 1855.- Writing.- Mobius.- The Duality ParadoxNon-Euclidean .- The Plucker Formulae.- Higher Plane Curves.- Complex Curves.- Riemann.- Differential Geometry of Surfaces.- Geometry Accepted- Summary: .- Writing.- Fundamental Geometry.- Hilbert.- Italian Foundations.- The Disc Model.- The Geometry of Space.Geometry to Bibliography.- 1900.- The Formal Side.- The Physical Side.- Is Geometry True?- Writing.- Appendix: Von Staudt and his Influence.- Index.