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Books > Science & Mathematics > Mathematics > Applied mathematics

Ensembles on Configuration Space - Classical, Quantum, and Beyond (Hardcover, 1st ed. 2016): Michael J. W. Hall, Marcel... Ensembles on Configuration Space - Classical, Quantum, and Beyond (Hardcover, 1st ed. 2016)
Michael J. W. Hall, Marcel Reginatto
R2,374 R1,946 Discovery Miles 19 460 Save R428 (18%) Ships in 10 - 15 working days

This book describes a promising approach to problems in the foundations of quantum mechanics, including the measurement problem. The dynamics of ensembles on configuration space is shown here to be a valuable tool for unifying the formalisms of classical and quantum mechanics, for deriving and extending the latter in various ways, and for addressing the quantum measurement problem. A description of physical systems by means of ensembles on configuration space can be introduced at a very fundamental level: the basic building blocks are a configuration space, probabilities, and Hamiltonian equations of motion for the probabilities. The formalism can describe both classical and quantum systems, and their thermodynamics, with the main difference being the choice of ensemble Hamiltonian. Furthermore, there is a natural way of introducing ensemble Hamiltonians that describe the evolution of hybrid systems; i.e., interacting systems that have distinct classical and quantum sectors, allowing for consistent descriptions of quantum systems interacting with classical measurement devices and quantum matter fields interacting gravitationally with a classical spacetime.

OpenFOAM (R) - Selected Papers of the 11th Workshop (Hardcover, 1st ed. 2019): J. Miguel Nobrega, Hrvoje Jasak OpenFOAM (R) - Selected Papers of the 11th Workshop (Hardcover, 1st ed. 2019)
J. Miguel Nobrega, Hrvoje Jasak
R5,918 Discovery Miles 59 180 Ships in 18 - 22 working days

This book contains selected papers of the 11th OpenFOAM (R) Workshop that was held in Guimaraes, Portugal, June 26 - 30, 2016. The 11th OpenFOAM (R) Workshop had more than 140 technical/scientific presentations and 30 courses, and was attended by circa 300 individuals, representing 180 institutions and 30 countries, from all continents. The OpenFOAM (R) Workshop provided a forum for researchers, industrial users, software developers, consultants and academics working with OpenFOAM (R) technology. The central part of the Workshop was the two-day conference, where presentations and posters on industrial applications and academic research were shown. OpenFOAM (R) (Open Source Field Operation and Manipulation) is a free, open source computational toolbox that has a larger user base across most areas of engineering and science, from both commercial and academic organizations. As a technology, OpenFOAM (R) provides an extensive range of features to solve anything from complex fluid flows involving chemical reactions, turbulence and heat transfer, to solid dynamics and electromagnetics, among several others. Additionally, the OpenFOAM technology offers complete freedom to customize and extend its functionalities.

Periodic Flows to Chaos in Time-delay Systems (Hardcover, 1st ed. 2017): Albert C.J. Luo Periodic Flows to Chaos in Time-delay Systems (Hardcover, 1st ed. 2017)
Albert C.J. Luo
R2,671 Discovery Miles 26 710 Ships in 18 - 22 working days

This book for the first time examines periodic motions to chaos in time-delay systems, which exist extensively in engineering. For a long time, the stability of time-delay systems at equilibrium has been of great interest from the Lyapunov theory-based methods, where one cannot achieve the ideal results. Thus, time-delay discretization in time-delay systems was used for the stability of these systems. In this volume, Dr. Luo presents an accurate method based on the finite Fourier series to determine periodic motions in nonlinear time-delay systems. The stability and bifurcation of periodic motions are determined by the time-delayed system of coefficients in the Fourier series and the method for nonlinear time-delay systems is equivalent to the Laplace transformation method for linear time-delay systems.

Selected Topics in Nonlinear Dynamics and Theoretical Electrical Engineering (Hardcover, 2013 ed.): Kyandoghere Kyamakya,... Selected Topics in Nonlinear Dynamics and Theoretical Electrical Engineering (Hardcover, 2013 ed.)
Kyandoghere Kyamakya, Wolfgang A Halang, Wolfgang Mathis, Jean Chamberlain Chedjou, Zhong Li
R5,226 Discovery Miles 52 260 Ships in 18 - 22 working days

This book contains a collection of recent advanced contributions in the field of nonlinear dynamics and synchronization, including selected applications in the area of theoretical electrical engineering. The present book is divided into twenty-one chapters grouped in five parts. The first part focuses on theoretical issues related to chaos and synchronization and their potential applications in mechanics, transportation, communication and security. The second part handles dynamic systems modelling and simulation with special applications to real physical systems and phenomena. The third part discusses some fundamentals of electromagnetics (EM) and addresses the modelling and simulation in some real physical electromagnetic scenarios. The fourth part mainly addresses stability concerns. Finally, the last part assembles some sample applications in the area of optimization, data mining, pattern recognition and image processing.

Recent Advances in Optimization and its Applications in Engineering (Hardcover, 2010 Ed.): Moritz Diehl, Francois Glineur,... Recent Advances in Optimization and its Applications in Engineering (Hardcover, 2010 Ed.)
Moritz Diehl, Francois Glineur, Elias Jarlebring, Wim Michiels
R7,729 Discovery Miles 77 290 Ships in 18 - 22 working days

Mathematical optimization encompasses both a rich and rapidly evolving body of fundamental theory, and a variety of exciting applications in science and engineering. The present book contains a careful selection of articles on recent advances in optimization theory, numerical methods, and their applications in engineering. It features in particular new methods and applications in the fields of optimal control, PDE-constrained optimization, nonlinear optimization, and convex optimization. The authors of this volume took part in the 14th Belgian-French-German Conference on Optimization (BFG09) organized in Leuven, Belgium, on September 14-18, 2009. The volume contains a selection of reviewed articles contributed by the conference speakers as well as three survey articles by plenary speakers and two papers authored by the winners of the best talk and best poster prizes awarded at BFG09. Researchers and graduate students in applied mathematics, computer science, and many branches of engineering will find in this book an interesting and useful collection of recent ideas on the methods and applications of optimization.

Advances in Cognitive Neurodynamics (II) - Proceedings of the Second International Conference on Cognitive Neurodynamics - 2009... Advances in Cognitive Neurodynamics (II) - Proceedings of the Second International Conference on Cognitive Neurodynamics - 2009 (Hardcover, Edition.)
Rubin Wang, Fanji Gu
R8,055 Discovery Miles 80 550 Ships in 18 - 22 working days

Within our knowledge, the series of the International Conference on Cognitive Neurodynamics (ICCN) is the only conference series dedicating to cognitive neurodynamics. This volume is the proceedings of the 2nd International Conference on Cognitive Neurodynamics held in 2009, which reviews the progress in this field since the 1st ICCN -2007. The topics include: Neural coding and realistic neural network dynamics, Neural population dynamics, Firing Oscillations and Patterns in Neuronal Networks, Brain imaging, EEG, MEG, Sensory and Motor Dynamics, Global cognitive function, Multi-scalar Neurodynamics - from Physiology to Systems Theory, Neural computing, Emerging Technologies for Brain Computer Interfaces, Neural dynamics of brain disorders.

Nonlinear Modelling of High Frequency Financial Time Series (Hardcover): C. Dunis Nonlinear Modelling of High Frequency Financial Time Series (Hardcover)
C. Dunis
R3,092 Discovery Miles 30 920 Ships in 10 - 15 working days

Nonlinear Modelling of High Frequency Financial Time Series Edited by Christian Dunis and Bin Zhou In the competitive and risky environment of today's financial markets, daily prices and models based upon low frequency price series data do not provide the level of accuracy required by traders and a growing number of risk managers. To improve results, more and more researchers and practitioners are turning to high frequency data. Nonlinear Modelling of High Frequency Financial Time Series presents the latest developments and views of leading international researchers and market practitioners, in modelling high frequency data in finance. Combining both nonlinear modelling and intraday data for financial markets, the editors provide a fascinating foray into this extremely popular discipline. This book evolves around four major themes. The first introductory section focuses on high frequency financial data. The second part examines the exact nature of the time series considered: several linearity tests are presented and applied and their modelling implications assessed. The third and fourth parts are dedicated to modelling and forecasting these financial time series.

Advanced Functional Evolution Equations and Inclusions (Hardcover, 2015 ed.): Said Abbas, Mouffak Benchohra Advanced Functional Evolution Equations and Inclusions (Hardcover, 2015 ed.)
Said Abbas, Mouffak Benchohra
R3,264 R2,092 Discovery Miles 20 920 Save R1,172 (36%) Ships in 10 - 15 working days

This book presents up-to-date results on abstract evolution equations and differential inclusions in infinite dimensional spaces. It covers equations with time delay and with impulses, and complements the existing literature in functional differential equations and inclusions. The exposition is devoted to both local and global mild solutions for some classes of functional differential evolution equations and inclusions, and other densely and non-densely defined functional differential equations and inclusions in separable Banach spaces or in Frechet spaces. The tools used include classical fixed points theorems and the measure-of non-compactness, and each chapter concludes with a section devoted to notes and bibliographical remarks. This monograph is particularly useful for researchers and graduate students studying pure and applied mathematics, engineering, biology and all other applied sciences.

Stochastic Geometric Mechanics - CIB, Lausanne, Switzerland, January-June 2015 (Hardcover, 1st ed. 2017): Sergio Albeverio, Ana... Stochastic Geometric Mechanics - CIB, Lausanne, Switzerland, January-June 2015 (Hardcover, 1st ed. 2017)
Sergio Albeverio, Ana Bela Cruzeiro, Darryl D Holm
R2,969 R1,933 Discovery Miles 19 330 Save R1,036 (35%) Ships in 10 - 15 working days

Collecting together contributed lectures and mini-courses, this book details the research presented in a special semester titled "Geometric mechanics - variational and stochastic methods" run in the first half of 2015 at the Centre Interfacultaire Bernoulli (CIB) of the Ecole Polytechnique Federale de Lausanne. The aim of the semester was to develop a common language needed to handle the wide variety of problems and phenomena occurring in stochastic geometric mechanics. It gathered mathematicians and scientists from several different areas of mathematics (from analysis, probability, numerical analysis and statistics, to algebra, geometry, topology, representation theory, and dynamical systems theory) and also areas of mathematical physics, control theory, robotics, and the life sciences, with the aim of developing the new research area in a concentrated joint effort, both from the theoretical and applied points of view. The lectures were given by leading specialists in different areas of mathematics and its applications, building bridges among the various communities involved and working jointly on developing the envisaged new interdisciplinary subject of stochastic geometric mechanics.

Nonlinear Reaction-Diffusion Processes for Nanocomposites - Anomalous Improved Homogenization (Hardcover): Jesus Ildefonso... Nonlinear Reaction-Diffusion Processes for Nanocomposites - Anomalous Improved Homogenization (Hardcover)
Jesus Ildefonso Diaz, David Gomez-Castro, Tatiana A Shaposhnikova
R3,293 Discovery Miles 32 930 Ships in 10 - 15 working days

The behavior of materials at the nanoscale is a key aspect of modern nanoscience and nanotechnology. This book presents rigorous mathematical techniques showing that some very useful phenomenological properties which can be observed at the nanoscale in many nonlinear reaction-diffusion processes can be simulated and justified mathematically by means of homogenization processes when a certain critical scale is used in the corresponding framework.

Optimization and Optimal Control - Theory and Applications (Hardcover, 2010): Altannar Chinchuluun, Panos M. Pardalos, Rentsen... Optimization and Optimal Control - Theory and Applications (Hardcover, 2010)
Altannar Chinchuluun, Panos M. Pardalos, Rentsen Enkhbat, Ider Tseveendorj
R5,250 Discovery Miles 52 500 Ships in 18 - 22 working days

During the last four decades there has been a remarkable development in optimization and optimal control. Due to its wide variety of applications, many scientists and researchers have paid attention to fields of optimization and optimal control. A huge number of new theoretical, algorithmic, and computational results have been observed in the last few years. This book gives the latest advances, and due to the rapid development of these fields, there are no other recent publications on the same topics.

Key features:

Provides a collection of selected contributions giving a state-of-the-art account of recent developments in the field

Covers a broad range of topics in optimization and optimal control, including unique applications

Includes chapters written by experts in their respective disciplines

Appeals to a broad audience of researchers, practitioners, and advanced graduate students in applied mathematics and engineering

Contextual Computing - Models and Applications (Hardcover, 2011 ed.): Robert Porzel Contextual Computing - Models and Applications (Hardcover, 2011 ed.)
Robert Porzel
R2,660 Discovery Miles 26 600 Ships in 18 - 22 working days

Recent advances in the fields of knowledge representation, reasoning and human-computer interaction have paved the way for a novel approach to treating and handling context. The field of research presented in this book addresses the problem of contextual computing in artificial intelligence based on the state of the art in knowledge representation and human-computer interaction. The author puts forward a knowledge-based approach for employing high-level context in order to solve some persistent and challenging problems in the chosen showcase domain of natural language understanding. Specifically, the problems addressed concern the handling of noise due to speech recognition errors, semantic ambiguities, and the notorious problem of underspecification. Consequently the book examines the individual contributions of contextual composing for different types of context. Therefore, contextual information stemming from the domain at hand, prior discourse, and the specific user and real world situation are considered and integrated in a formal model that is applied and evaluated employing different multimodal mobile dialog systems. This book is intended to meet the needs of readers from at least three fields - AI and computer science; computational linguistics; and natural language processing - as well as some computationally oriented linguists, making it a valuable resource for scientists, researchers, lecturers, language processing practitioners and professionals as well as postgraduates and some undergraduates in the aforementioned fields. "The book addresses a problem of great and increasing technical and practical importance - the role of context in natural language processing (NLP). It considers the role of context in three important tasks: Automatic Speech Recognition, Semantic Interpretation, and Pragmatic Interpretation. Overall, the book represents a novel and insightful investigation into the potential of contextual information processing in NLP." Jerome A Feldman, Professor of Electrical Engineering and Computer Science, UC Berkeley, USA http://dm.tzi.de/research/contextual-computing/

Neuromechanical Modeling of Posture and Locomotion (Hardcover, 1st ed. 2016): Boris I. Prilutsky, Donald H. Edwards Neuromechanical Modeling of Posture and Locomotion (Hardcover, 1st ed. 2016)
Boris I. Prilutsky, Donald H. Edwards
R4,778 Discovery Miles 47 780 Ships in 10 - 15 working days

Neuromechanics is a new, quickly growing field of neuroscience research that merges neurophysiology, biomechanics and motor control and aims at understanding living systems and their elements through interactions between their neural and mechanical dynamic properties. Although research in Neuromechanics is not limited by computational approaches, neuromechanical modeling is a powerful tool that allows for integration of massive knowledge gained in the past several decades in organization of motion related brain and spinal cord activity, various body sensors and reflex pathways, muscle mechanical and physiological properties and detailed quantitative morphology of musculoskeletal systems. Recent work in neuromechanical modeling has demonstrated advantages of such an integrative approach and led to discoveries of new emergent properties of neuromechanical systems. Neuromechanical Modeling of Posture and Locomotion will cover a wide range of topics from theoretical studies linking the organization of reflex pathways and central pattern generating circuits with morphology and mechanics of the musculoskeletal system (Burkholder; Nichols; Shevtsova et al.) to detailed neuromechanical models of postural and locomotor control (Bunderson; Edwards, Marking et al., Ting). Furthermore, uniquely diverse modeling approaches will be presented in the book including a theoretical dynamic analysis of locomotor phase transitions (Spardy and Rubin), a hybrid computational modeling that allows for in vivo interactions between parts of a living organism and a computer model (Edwards et al.), a physical neuromechanical model of the human locomotor system (Lewis), and others.

Expect The Unexpected: A First Course In Biostatistics (Hardcover): Raluca Balan, Gilles Lamothe Expect The Unexpected: A First Course In Biostatistics (Hardcover)
Raluca Balan, Gilles Lamothe
R1,528 Discovery Miles 15 280 Ships in 10 - 15 working days

Statistical reasoning and modeling are of critical importance to modern biology. This textbook introduces fundamental concepts from probability and statistics which will pave the way for the student of biology to become a well-rounded scientist. No previous study of probability or statistics is assumed. Calculus topics are not used extensively in this book, though some integration and differentiation are expected. The calculus prerequisite is primarily intended to assure a certain level of mathematical maturity. This book puts emphasis on examples, which are presented to motivate the theory. The presentation style is concise and self-contained, briefly including the mathematical elements that are needed for studying probability and statistics. The examples are relevant to students in the life sciences with interests in genetics, biology, ecology, health, etc. We believe that aspects of probability theory are of biological interest and that probability underlies the theory of inferential statistics. Thus, we place an equal emphasis on probability and statistics which are both essential for solving and understanding many types of biological problems.

Chaos, Complexity and Leadership 2016 (Hardcover, 1st ed. 2018): Sefika Sule Ercetin Chaos, Complexity and Leadership 2016 (Hardcover, 1st ed. 2018)
Sefika Sule Ercetin
R4,171 Discovery Miles 41 710 Ships in 18 - 22 working days

This book covers the proceedings from the 2016 International Symposium on Chaos, Complexity and Leadership, and reflects current research results of chaos and complexity studies and their applications in various fields. Included are research papers in the fields of applied nonlinear methods, modeling of data and simulations, as well as theoretical achievements of chaos and complex systems. Also discussed are leadership and management applications of chaos and complexity theory.

Toeplitz Operators and Related Topics - The Harold Widom Anniversary Volume - Workshop on Toeplitz and Wiener-Hopf Operators,... Toeplitz Operators and Related Topics - The Harold Widom Anniversary Volume - Workshop on Toeplitz and Wiener-Hopf Operators, Santa Cruz, California, September 20-22, 1992 (Hardcover)
Estelle L. Basor, Israel Gohberg
R2,390 Discovery Miles 23 900 Ships in 18 - 22 working days

This volume is dedicated to Harold Widom, a distinguished mathematician and renowned expert in the area of Toeplitz, Wiener-Hopf and pseudodifferential operators, on the occasion of his sixtieth birthday. The book opens with biographical material and a list of the mathematician's publications, this being followed by two papers based on Toeplitz lectures which he delivered at Tel Aviv University in March, 1993. The rest of the book consists of a selection of papers containing some recent achievements in the following areas: SzegA-Widom asymptotic formulas for determinants of finite sections of Toeplitz matrices and their generalizations, the Fisher-Hartwig conjecture, random matrices, analysis of kernels of Toeplitz matrices, projectional methods and eigenvalue distribution for Toeplitz matrices, the Fredholm theory for convolution type operators, the Nehari interpolation problem with generalizations and applications, and Toeplitz-Hausdorff type theorems. The book will appeal to a wide audience of pure and applied mathematicians.

Spectral Theory and Analysis - Conference on Operator Theory, Analysis and Mathematical Physics (OTAMP) 2008, Bedlewo, Poland... Spectral Theory and Analysis - Conference on Operator Theory, Analysis and Mathematical Physics (OTAMP) 2008, Bedlewo, Poland (Hardcover, 2011 ed.)
Jan Janas, Pavel Kurasov, A. Laptev, Sergei Naboko, Gunter Stolz
R2,652 Discovery Miles 26 520 Ships in 18 - 22 working days

This volume contains the proceedings of the OTAMP 2008 (Operator Theory, Analysis and Mathematical Physics) conference held at the Mathematical Research and Conference Center in Bedlewo near Poznan. It is composed of original research articles describing important results presented at the conference, some with extended review sections, as well as presentations by young researchers. Special sessions were devoted to random and quasi-periodic differential operators, orthogonal polynomials, Jacobi and CMV matrices, and quantum graphs. This volume also reflects new trends in spectral theory, where much emphasis is given to operators with magnetic fields and non-self-adjoint problems.

The book is geared towards scientists from advanced undergraduate students to researchers interested in the recent development on the borderline between operator theory and mathematical physics, especially spectral theory for Schr dinger operators and Jacobi matrices.

IUTAM Symposium on Variational Concepts with Applications to the Mechanics of Materials - Proceedings of the IUTAM Symposium on... IUTAM Symposium on Variational Concepts with Applications to the Mechanics of Materials - Proceedings of the IUTAM Symposium on Variational Concepts with Applications to the Mechanics of Materials, Bochum, Germany, September 22-26, 2008 (Hardcover, 2010 ed.)
Klaus Hackl
R4,163 Discovery Miles 41 630 Ships in 18 - 22 working days

Variational calculus has been the basis of a variety of powerful methods in the ?eld of mechanics of materials for a long time. Examples range from numerical schemes like the ?nite element method to the determination of effective material properties via homogenization and multiscale approaches. In recent years, however, a broad range of novel applications of variational concepts has been developed. This c- prises the modeling of the evolution of internal variables in inelastic materials as well as the initiation and development of material patterns and microstructures. The IUTAM Symposium on "Variational Concepts with Applications to the - chanics of Materials" took place at the Ruhr-University of Bochum, Germany, on September 22-26, 2008. The symposium was attended by 55 delegates from 10 countries. Altogether 31 lectures were presented. The objective of the symposium was to give an overview of the new dev- opments sketched above, to bring together leading experts in these ?elds, and to provide a forum for discussing recent advances and identifying open problems to work on in the future. The symposium focused on the developmentof new material models as well as the advancement of the corresponding computational techniques. Speci?c emphasis is put on the treatment of materials possessing an inherent - crostructure and thus exhibiting a behavior which fundamentally involves multiple scales. Among the topics addressed at the symposium were: 1. Energy-based modeling of material microstructures via envelopes of n- quasiconvex potentials and applications to plastic behavior and pha- transformations.

The Finite Element Method: Theory, Implementation, and Applications (Hardcover, 2013 ed.): Mats G. Larson, Fredrik Bengzon The Finite Element Method: Theory, Implementation, and Applications (Hardcover, 2013 ed.)
Mats G. Larson, Fredrik Bengzon
R2,691 Discovery Miles 26 910 Ships in 18 - 22 working days

This book gives an introduction to the finite element method as a general computational method for solving partial differential equations approximately. Our approach is mathematical in nature with a strong focus on the underlying mathematical principles, such as approximation properties of piecewise polynomial spaces, and variational formulations of partial differential equations, but with a minimum level of advanced mathematical machinery from functional analysis and partial differential equations.In principle, the material should be accessible to students with only knowledge of calculus of several variables, basic partial differential equations, and linear algebra, as the necessary concepts from more advanced analysis are introduced when needed. Throughout the text we emphasize implementation of the involved algorithms, and have therefore mixed mathematical theory with concrete computer code using the numerical software MATLAB is and its PDE-Toolbox.We have also had the ambition to cover some of the most important applications of finite elements and the basic finite element methods developed for those applications, including diffusion and transport phenomena, solid and fluid mechanics, and also electromagnetics.

Network Science - Complexity in Nature and Technology (Hardcover, 2010): Ernesto Estrada, Maria Fox, Desmond J. Higham,... Network Science - Complexity in Nature and Technology (Hardcover, 2010)
Ernesto Estrada, Maria Fox, Desmond J. Higham, Gian-Luca Oppo
R2,788 Discovery Miles 27 880 Ships in 18 - 22 working days

Network Science is the emerging field concerned with the study of large, realistic networks. This interdisciplinary endeavor, focusing on the patterns of interactions that arise between individual components of natural and engineered systems, has been applied to data sets from activities as diverse as high-throughput biological experiments, online trading information, smart-meter utility supplies, and pervasive telecommunications and surveillance technologies. This unique text/reference provides a fascinating insight into the state of the art in network science, highlighting the commonality across very different areas of application and the ways in which each area can be advanced by injecting ideas and techniques from another. The book includes contributions from an international selection of experts, providing viewpoints from a broad range of disciplines. It emphasizes networks that arise in nature-such as food webs, protein interactions, gene expression, and neural connections-and in technology-such as finance, airline transport, urban development and global trade. Topics and Features: begins with a clear overview chapter to introduce this interdisciplinary field; discusses the classic network science of fixed connectivity structures, including empirical studies, mathematical models and computational algorithms; examines time-dependent processes that take place over networks, covering topics such as synchronisation, and message passing algorithms; investigates time-evolving networks, such as the World Wide Web and shifts in topological properties (connectivity, spectrum, percolation); explores applications of complex networks in the physical and engineering sciences, looking ahead to new developments in the field. Researchers and professionals from disciplines as varied as computer science, mathematics, engineering, physics, chemistry, biology, ecology, neuroscience, epidemiology, and the social sciences will all benefit from this topical and broad overview of current activities and grand challenges in the unfolding field of network science.

New Computation Methods for Geometrical Optics (Hardcover, 2014 ed.): Psang Dain Lin New Computation Methods for Geometrical Optics (Hardcover, 2014 ed.)
Psang Dain Lin
R3,610 R3,350 Discovery Miles 33 500 Save R260 (7%) Ships in 10 - 15 working days

This book employs homogeneous coordinate notation to compute the first- and second-order derivative matrices of various optical quantities. It will be one of the important mathematical tools for automatic optical design. The traditional geometrical optics is based on raytracing only. It is very difficult, if possible, to compute the first- and second-order derivatives of a ray and optical path length with respect to system variables, since they are recursive functions. Consequently, current commercial software packages use a finite difference approximation methodology to estimate these derivatives for use in optical design and analysis. Furthermore, previous publications of geometrical optics use vector notation, which is comparatively awkward for computations for non-axially symmetrical systems.

Boundary Element Methods (Hardcover, Edition.): Stefan A. Sauter, Christoph Schwab Boundary Element Methods (Hardcover, Edition.)
Stefan A. Sauter, Christoph Schwab
R3,703 Discovery Miles 37 030 Ships in 10 - 15 working days

PMThis work presents a thorough treatment of boundary element methods (BEM) for solving strongly elliptic boundary integral equations obtained from boundary reduction of elliptic boundary value problems?? in $\mathbb{R}^3$. The book is self-contained, the prerequisites on elliptic partial differential and integral equations being presented in Chapters 2 and 3. The main focus is on the development, analysis, and implementation of Galerkin boundary element methods, which is one of the most flexible and robust numerical discretization methods for integral equations. For the efficient realization of the Galerkin BEM, it is essential to replace time-consuming steps in the numerical solution process with fast algorithms. In Chapters 5-9 these methods are developed, analyzed, and formulated in an algorithmic wa

Foundations of Complex Analysis in Non Locally Convex Spaces, Volume 193 - Function Theory without Convexity Condition... Foundations of Complex Analysis in Non Locally Convex Spaces, Volume 193 - Function Theory without Convexity Condition (Hardcover)
A. Bayoumi
R4,731 Discovery Miles 47 310 Ships in 10 - 15 working days

All the existing books in Infinite Dimensional Complex Analysis focus on the problems of locally convex spaces. However, the theory without convexity condition is covered for the first time in this book. This shows that we are really working with a new, important and interesting field.


Theory of functions and nonlinear analysis problems are widespread in the mathematical modeling of real world systems in a very broad range of applications. During the past three decades many new results from the author have helped to solve multiextreme problems arising from important situations, non-convex and non linear cases, in function theory.


Foundations of Complex Analysis in Non Locally Convex Spaces is a comprehensive book that covers the fundamental theorems in Complex and Functional Analysis and presents much new material.


The book includes generalized new forms of: Hahn-Banach Theorem, Multilinear maps, theory of polynomials, Fixed Point Theorems, p-extreme points and applications in Operations Research, Krein-Milman Theorem, Quasi-differential Calculus, Lagrange Mean-Value Theorems, Taylor series, Quasi-holomorphic and Quasi-analytic maps, Quasi-Analytic continuations, Fundamental Theorem of Calculus, Bolzano's Theorem, Mean-Value Theorem for Definite Integral, Bounding and weakly-bounding (limited) sets, Holomorphic Completions, and Levi problem.


Each chapter contains illustrative examples to help the student and researcher to enhance his knowledge of theory of functions.


The new concept of Quasi-differentiability introduced by the author represents the backbone of the theory of Holomorphy for non-locally convex spaces. In fact it is different but much stronger than the Frechet one.


The book is intended not only for Post-Graduate (M.Sc.& Ph.D.) students and researchers in Complex and Functional Analysis, but for all Scientists in various disciplines whom need nonlinear or non-convex analysis and holomorphy methods without convexity conditions to model and solve problems.


bull; The book contains new generalized versions of:
i) Fundamental Theorem of Calculus, Lagrange Mean-Value Theorem in real and complex cases, Hahn-Banach Theorems, Bolzano Theorem, Krein-Milman Theorem, Mean value Theorem for Definite Integral, and many others.
ii) Fixed Point Theorems of Bruower, Schauder and Kakutani's.


bull; The book contains some applications in Operations research and non convex analysis as a consequence of the new concept p-Extreme points given by the author.


bull; The book contains a complete theory for Taylor Series representations of the different types of holomorphic maps in F-spaces without convexity conditions.


bull; The book contains a general new concept of differentiability stronger than the Frechet one. This implies a new Differentiable Calculus called Quasi-differential (or Bayoumi differential) Calculus. It is due to the author's discovery in 1995.


bull; The book contains the theory of polynomials and Banach Stienhaus theorem in non convex spaces.

Dynamics of the Milky Way - Tidal Streams and Extended Distribution Functions for the Galactic Disc (Hardcover, 2015 ed.):... Dynamics of the Milky Way - Tidal Streams and Extended Distribution Functions for the Galactic Disc (Hardcover, 2015 ed.)
Jason Sanders
R3,649 R3,389 Discovery Miles 33 890 Save R260 (7%) Ships in 10 - 15 working days

This work presents a study of methods useful for modeling and understanding dynamical systems in the Galaxy. A natural coordinate system for the study of dynamical systems is the angle-action coordinate system. New methods for the approximation of the action-angle variables in general potentials are presented and discussed. These new tools are applied to the construction of dynamical models for two of the Galaxy's components: tidal streams and the Galactic disc. Tidal streams are remnants of tidally stripped satellites in the Milky Way that experience the effects of the large scale structure of the Galactic gravitational potential, while the Galactic disc provides insights into the nature of the Galaxy near the Sun. Appropriate action-based models are presented and discussed for these components, and extended to include further information such as the metallicity of stars.

Heat Kernels for Elliptic and Sub-elliptic Operators - Methods and Techniques (Hardcover, Edition.): Ovidiu Calin, Der-Chen... Heat Kernels for Elliptic and Sub-elliptic Operators - Methods and Techniques (Hardcover, Edition.)
Ovidiu Calin, Der-Chen Chang, Kenro Furutani, Chisato Iwasaki
R2,895 Discovery Miles 28 950 Ships in 18 - 22 working days

This monograph is a unified presentation of several theories of finding explicit formulas for heat kernels for both elliptic and sub-elliptic operators. These kernels are important in the theory of parabolic operators because they describe the distribution of heat on a given manifold as well as evolution phenomena and diffusion processes.
Heat Kernels for Elliptic and Sub-elliptic Operators is an ideal reference for graduate students, researchers in pure and applied mathematics, and theoretical physicists interested in understanding different ways of approaching evolution operators.

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