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Books > Science & Mathematics > Mathematics > Geometry > General

Quasi-symmetric Designs (Paperback, New): Mohan S. Shrikhande, Sharad S. Sane Quasi-symmetric Designs (Paperback, New)
Mohan S. Shrikhande, Sharad S. Sane
R835 Discovery Miles 8 350 Ships in 12 - 17 working days

This is the first exposition of the theory of quasi-symmetric designs, that is, combinatorial designs with at most two block intersection numbers. The authors aim to bring out the interaction among designs, finite geometries, and strongly regular graphs. The book starts with basic, classical material on designs and strongly regular graphs and continues with a discussion of some important results on quasi-symmetric designs. The later chapters include a combinatorial construction of the Witt designs from the projective plane of order four, recent results dealing with a structural study of designs resulting from Cameron's classification theory on extensions of symmetric designs, and results on the classification problem of quasi-symmetric designs. The final chapter presents connections to coding theory.

Infinite Electrical Networks (Hardcover, New): Armen H. Zemanian Infinite Electrical Networks (Hardcover, New)
Armen H. Zemanian
R2,362 Discovery Miles 23 620 Ships in 12 - 17 working days

This text presents the salient features of the general theory of infinite electrical networks in a coherent exposition. Using the basic tools of functional analysis and graph theory, the author presents the fundamental developments of the past two decades and discusses applications to other areas of mathematics. The jump in complexity from finite electrical networks to infinite ones is comparable to the jump in complexity from finite-dimensional to infinite-dimensional spaces. Many of the questions that are conventionally asked about finite networks are presently unanswerable for infinite networks, while questions that are meaningless for finite networks crop up for infinite ones and lead to surprising results, such as the occasional collapse of Kirchhoff's laws in infinite regimes. Some central concepts have no counterpart in the finite case, as for example the extremities of an infinite network, the perceptibility of infinity, and the connections at infinity.

Leonardo da Vinci's Giant Crossbow (Hardcover, 2010 ed.): Matt Landrus Leonardo da Vinci's Giant Crossbow (Hardcover, 2010 ed.)
Matt Landrus
R2,151 R1,259 Discovery Miles 12 590 Save R892 (41%) Ships in 12 - 17 working days

Although Leonardo's Giant Crossbow is one of his most popular drawings, it has been one of the least understood. "Leonardo's Giant Crossbow" offers the first in-depth account of this drawing's likely purpose and its highly resolved design. This fascinating book has a wealth of technical information about the Giant Crossbow drawing, as it's a complete study of this project, though this is as accessible to the general audience as much as it is also informative with new discoveries for the professors of engineering, technology and art. The book explores the context of Leonardo's invention with an examination of the extensive documentary evidence, a short history of the great crossbow and ballista, the first accurate translation of the text and the technical specifications, and a detailed analysis of Leonardo's design process for the crossbow, from start to finish. Dozens of preparatory drawings, along with the recent discovery of nearly invisible metal stylus preparatory incisions under the ink of the Giant Crossbow drawing, are evidence of Leonardo's intent to offer engineers and other viewers a thorough design of the massive machine. The book proposes these new discoveries with the help of a strategy that had been at the core of Leonardo's working philosophy: the proportional method. As proven with an analysis of the Giant Crossbow project, he used a consistent approach to 1/3rd proportions throughout the design and drawing process and employed this kind of proportional strategy at the start of almost every important project. Thanks to this proof of his knowledge of geometry, evidence of his studies of impetus and force, and thanks to the highly polished and complex nature of the Giant Crossbow design, a later date for the drawing is proposed in the present book, associating the drawing with his drafting capabilities around 1490-93.

Kummer's Quartic Surface (Paperback, New Ed): R. W. H. Hudson Kummer's Quartic Surface (Paperback, New Ed)
R. W. H. Hudson; Foreword by W. Barth; Preface by H. F Baker
R1,116 Discovery Miles 11 160 Ships in 12 - 17 working days

The theory of surfaces has reached a certain stage of completeness and major efforts concentrate on solving concrete questions rather than developing further the formal theory. Many of these questions are touched upon in this classic volume: such as the classification of quartic surfaces, the description of moduli spaces for abelian surfaces, and the automorphism group of a Kummer surface. First printed in 1905 after the untimely death of the author, this work has stood for most of this century as one of the classic reference works in geometry.

The Geometry and Physics of Knots (Paperback, New): Michael Atiyah The Geometry and Physics of Knots (Paperback, New)
Michael Atiyah
R709 Discovery Miles 7 090 Ships in 12 - 17 working days

Deals with an area of research that lies at the crossroads of mathematics and physics. The material presented here rests primarily on the pioneering work of Vaughan Jones and Edward Witten relating polynomial invariants of knots to a topological quantum field theory in 2+1 dimensions. Professor Atiyah presents an introduction to Witten's ideas from the mathematical point of view. The book will be essential reading for all geometers and gauge theorists as an exposition of new and interesting ideas in a rapidly developing area.

In Focus Sacred Geometry, Volume 12 - Your Personal Guide (Hardcover): Bernice Cockram In Focus Sacred Geometry, Volume 12 - Your Personal Guide (Hardcover)
Bernice Cockram
R314 Discovery Miles 3 140 Ships in 12 - 17 working days

With In Focus Sacred Geometry, learn the fascinating history behind this ancient tradition as well as how to decipher the geometrical symbols, formulas, and patterns based on mathematical patterns. This accessible and beautifully designed guide to sacred geometry includes an 18 x 24-inch wall chart of the main sacred geometrical shapes and their unique, innate arrangements. People have searched for the meaning behind mathematical patterns for thousands of years. At its core, sacred geometry seeks to find the universal patterns that are found and applied to the objects surrounding us, such as the designs found in temples, churches, mosques, monuments, art, architecture, and nature. Learn the fundamental principles behind: Interpreting the sacred symbolism and principles behind shapes Calculating numbers used in sacred geometry Applying the golden ratio and Fibonacci sequence to objects Translating symbolic and geometrical letters and alphabets The In Focus series applies a modern approach to teaching the classic body, mind, and spirit subjects. Authored by experts in their respective fields, these beginner's guides feature smartly designed visual material that clearly illustrates key topics within each subject. As a bonus, each book includes reference cards or a poster, held in an envelope inside the back cover, that give you a quick, go-to guide containing the most important information on the subject.

Algorithmic and Geometric Aspects of Robotics (Hardcover): Jacob T. Schwartz, Chee Keng Yap Algorithmic and Geometric Aspects of Robotics (Hardcover)
Jacob T. Schwartz, Chee Keng Yap
R3,206 Discovery Miles 32 060 Ships in 12 - 17 working days

First published in 1987, the seven chapters that comprise this book review contemporary work on the geometric side of robotics. The first chapter defines the fundamental goal of robotics in very broad terms and outlines a research agenda each of whose items constitutes a substantial area for further research. The second chapter presents recently developed techniques that have begun to address the geometric side of this research agenda and the third reviews several applied geometric ideas central to contemporary work on the problem of motion planning. The use of Voronoi diagrams, a theme opened in these chapters, is explored further later in the book. The fourth chapter develops a theme in computational geometry having obvious significance for the simplification of practical robotics problems - the approximation or decomposition of complex geometric objects into simple ones. The final chapters treat two examples of a class of geometric 'reconstruction' problem that have immediate application to computer-aided geometric design systems.

Homotopy Theory: Proceedings of the Durham Symposium 1985 (Paperback): E. Rees, J.D.S. Jones Homotopy Theory: Proceedings of the Durham Symposium 1985 (Paperback)
E. Rees, J.D.S. Jones
R933 R746 Discovery Miles 7 460 Save R187 (20%) Ships in 7 - 11 working days

This 1987 volume presents a collection of papers given at the 1985 Durham Symposium on homotopy theory. They survey recent developments in the subject including localisation and periodicity, computational complexity, and the algebraic K-theory of spaces.

Lie Groupoids and Lie Algebroids in Differential Geometry (Paperback): K. Mackenzie Lie Groupoids and Lie Algebroids in Differential Geometry (Paperback)
K. Mackenzie
R1,567 Discovery Miles 15 670 Ships in 12 - 17 working days

This book provides a striking synthesis of the standard theory of connections in principal bundles and the Lie theory of Lie groupoids. The concept of Lie groupoid is a little-known formulation of the concept of principal bundle and corresponding to the Lie algebra of a Lie group is the concept of Lie algebroid: in principal bundle terms this is the Atiyah sequence. The author's viewpoint is that certain deep problems in connection theory are best addressed by groupoid and Lie algebroid methods. After preliminary chapters on topological groupoids, the author gives the first unified and detailed account of the theory of Lie groupoids and Lie algebroids. He then applies this theory to the cohomology of Lie algebroids, re-interpreting connection theory in cohomological terms, and giving criteria for the existence of (not necessarily Riemannian) connections with prescribed curvature form. This material, presented in the last two chapters, is work of the author published here for the first time. This book will be of interest to differential geometers working in general connection theory and to researchers in theoretical physics and other fields who make use of connection theory.

Topological Groups (Hardcover, 3 Ed): R. V Gamkrelidze Topological Groups (Hardcover, 3 Ed)
R. V Gamkrelidze
R4,620 Discovery Miles 46 200 Ships in 12 - 17 working days

Offering the insights of L.S. Pontryagin, one of the foremost thinkers in modern mathematics, the second volume in this four-volume set examines the nature and processes that make up topological groups. Already hailed as the leading work in this subject for its abundance of examples and its thorough explanations, the text is arranged so that readers can follow the material either sequentially or schematically. Stand-alone chapters cover such topics as topological division rings, linear representations of compact topological groups, and the concept of a lie group.

Chaos, Noise and Fractals (Hardcover): E. Roy Pike, L.A. Lugiato Chaos, Noise and Fractals (Hardcover)
E. Roy Pike, L.A. Lugiato
R4,589 Discovery Miles 45 890 Ships in 12 - 17 working days

The study of nonlinear dynamical systems has been gathering momentum since the late 1950s. It now constitutes one of the major research areas of modern theoretical physics. The twin themes of fractals and chaos, which are linked by attracting sets in chaotic systems that are fractal in structure, are currently generating a great deal of excitement. The degree of structure robustness in the presence of stochastic and quantum noise is thus a topic of interest. Chaos, Noise and Fractals discusses the role of fractals in quantum mechanics, the influence of phase noise in chaos and driven optical systems, and the arithmetic of chaos. The book represents a balanced overview of the field and is a worthy addition to the reading lists of researchers and students interested in any of the varied, and sometimes bizarre, aspects of this intriguing subject.

Curves for the Mathematically Curious - An Anthology of the Unpredictable, Historical, Beautiful, and Romantic (Hardcover):... Curves for the Mathematically Curious - An Anthology of the Unpredictable, Historical, Beautiful, and Romantic (Hardcover)
Julian Havil
R649 R542 Discovery Miles 5 420 Save R107 (16%) Ships in 7 - 11 working days

Ten amazing curves personally selected by one of today's most important math writers Curves for the Mathematically Curious is a thoughtfully curated collection of ten mathematical curves, selected by Julian Havil for their significance, mathematical interest, and beauty. Each chapter gives an account of the history and definition of one curve, providing a glimpse into the elegant and often surprising mathematics involved in its creation and evolution. In telling the ten stories, Havil introduces many mathematicians and other innovators, some whose fame has withstood the passing of years and others who have slipped into comparative obscurity. You will meet Pierre Bezier, who is known for his ubiquitous and eponymous curves, and Adolphe Quetelet, who trumpeted the ubiquity of the normal curve but whose name now hides behind the modern body mass index. These and other ingenious thinkers engaged with the challenges, incongruities, and insights to be found in these remarkable curves-and now you can share in this adventure. Curves for the Mathematically Curious is a rigorous and enriching mathematical experience for anyone interested in curves, and the book is designed so that readers who choose can follow the details with pencil and paper. Every curve has a story worth telling.

Euclidean and Non-Euclidean Geometry - An Analytic Approach (Paperback): Patrick J. Ryan Euclidean and Non-Euclidean Geometry - An Analytic Approach (Paperback)
Patrick J. Ryan
R1,111 Discovery Miles 11 110 Ships in 12 - 17 working days

A thorough analysis of the fundamentals of plane geometry The reader is provided with an abundance of geometrical facts such as the classical results of plane Euclidean and non-Euclidean geometry, congruence theorems, concurrence theorems, classification of isometries, angle addition, trigonometrical formulas, etc.

Finite Element Methods in Mechanics (Paperback): Noboru Kikuchi Finite Element Methods in Mechanics (Paperback)
Noboru Kikuchi
R859 Discovery Miles 8 590 Ships in 12 - 17 working days

This is a textbook written for mechanical engineering students at first-year graduate level. As such, it emphasizes the development of finite element methods used in applied mechanics. The book starts with fundamental formulations of heat conduction and linear elasticity and derives the weak form (i.e. the principle of virtual work in elasticity) from a boundary value problem that represents the mechanical behaviour of solids and fluids. Finite element approximations are then derived from this weak form. The book contains many useful exercises and the author appropriately provides the student with computer programs in both BASIC and FORTRAN for solving them. Furthermore, a workbook is available with additional computer listings, and also an accompanying disc that contains the BASIC programs for use on IBM-PC microcomputers and their compatibles. Thus the usefulness and versatility of this text is enhanced by the student's ability to practise problem solving on accessible microcomputers.

Results and Problems in Combinatorial Geometry (Paperback): Vladimir G. Boltjansky, Israel Gohberg Results and Problems in Combinatorial Geometry (Paperback)
Vladimir G. Boltjansky, Israel Gohberg; Translated by B. Bollobas, A. Harris
R726 Discovery Miles 7 260 Ships in 12 - 17 working days

In this short book, the authors discuss three types of problems from combinatorial geometry: Borsuk's partition problem, covering convex bodies by smaller homothetic bodies, and the illumination problem. They show how closely related these problems are to each other. The presentation is elementary, with no more than high-school mathematics and an interest in geometry required to follow the arguments. Most of the discussion is restricted to two- and three-dimensional Euclidean space, though sometimes more general results and problems are given. Thus even the mathematically unsophisticated reader can grasp some of the results of a branch of twentieth-century mathematics that has applications in such disciplines as mathematical programming, operations research and theoretical computer science. At the end of the book the authors have collected together a set of unsolved and partially solved problems that a sixth-form student should be able to understand and even attempt to solve.

Syzygies (Paperback): E.Graham Evans, Phillip Griffith Syzygies (Paperback)
E.Graham Evans, Phillip Griffith
R850 Discovery Miles 8 500 Ships in 12 - 17 working days

The aim of this book, which was originally published in 1985, is to cover from first principles the theory of Syzygies, building up from a discussion of the basic commutative algebra to such results as the authors' proof of the Syzygy Theorem. In the last three chapters applications of the theory to commutative algebra and algebraic geometry are given.

Low Dimensional Topology (Paperback): Roger Fenn Low Dimensional Topology (Paperback)
Roger Fenn
R1,312 Discovery Miles 13 120 Ships in 12 - 17 working days

In this volume, which is dedicated to H. Seifert, are papers based on talks given at the Isle of Thorns conference on low dimensional topology held in 1982.

All Sides to an Oval - Properties, Parameters and Borromini's Mysterious Construction (Hardcover, 2nd ed. 2019): Angelo... All Sides to an Oval - Properties, Parameters and Borromini's Mysterious Construction (Hardcover, 2nd ed. 2019)
Angelo Alessandro Mazzotti
R730 Discovery Miles 7 300 Ships in 12 - 17 working days

This is the second edition of the only book dedicated to the Geometry of Polycentric Ovals. It includes problem solving constructions and mathematical formulas. For anyone interested in drawing or recognizing an oval, this book gives all the necessary construction, representation and calculation tools. More than 30 basic construction problems are solved, with references to Geogebra animation videos, plus the solution to the Frame Problem and solutions to the Stadium Problem. A chapter (co-written with Margherita Caputo) is dedicated to totally new hypotheses on the project of Borromini's oval dome of the church of San Carlo alle Quattro Fontane in Rome. Another one presents the case study of the Colosseum as an example of ovals with eight centres as well as the case study of Perronet's Neuilly bridge, a half oval with eleven centres. The primary audience is: architects, graphic designers, industrial designers, architecture historians, civil engineers; moreover, the systematic way in which the book is organised could make it a companion to a textbook on descriptive geometry or on CAD. Added features in the 2nd edition include: the revised hypothesis on Borromini's project for the dome of the church of San Carlo alle Quattro Fontane in Rome, an insight into the problem of finding a single equation to represent a four-centre oval, a suggestion for a representation of a four-centre oval using Geogebra, formulas for parameters of ovals with more than 4 centres and the case study of the eleven-centre half-oval arch used to build the XVIII century Neuilly bridge in Paris.

Polytopes and Symmetry (Paperback): Stewart A. Robertson Polytopes and Symmetry (Paperback)
Stewart A. Robertson
R731 Discovery Miles 7 310 Ships in 12 - 17 working days

Convex polytopes are the analogues in space of any dimension of convex plane polygons and of convex polyhedra in ordinary space. This book describes a fresh approach to the classification of these objects according to their symmetry properties, based on ideas of topology and transformation group theory. Although there is considerable agreement with traditional treatments, a number of new concepts emerge that present classical ideas in a quite new way. For example, the family of regular convex polytopes is extended to the family of 'perfect polytopes'. Thus the familiar set of five Platonic polyhedra is replaced by the less familiar set of nine perfect polyhedra. Among the many unsolved problems that arise, that of finding all perfect polytopes, and more generally all perfect convex bodies, is perhaps the most attractive. This book will be of value to specialists and graduate students in pure mathematics, especially those studying symmetry theory, convex bodies, and polytopes.

Homogeneous Structures on Riemannian Manifolds (Paperback): F. Tricerri, L. Vanhecke Homogeneous Structures on Riemannian Manifolds (Paperback)
F. Tricerri, L. Vanhecke
R826 Discovery Miles 8 260 Ships in 12 - 17 working days

The central theme of this book is the theorem of Ambrose and Singer, which gives for a connected, complete and simply connected Riemannian manifold a necessary and sufficient condition for it to be homogeneous. This is a local condition which has to be satisfied at all points, and in this way it is a generalization of E. Cartan's method for symmetric spaces. The main aim of the authors is to use this theorem and representation theory to give a classification of homogeneous Riemannian structures on a manifold. There are eight classes, and some of these are discussed in detail. Using the constructive proof of Ambrose and Singer many examples are discussed with special attention to the natural correspondence between the homogeneous structure and the groups acting transitively and effectively as isometrics on the manifold.

Metabolic Networks, Elementary Flux Modes, and Polyhedral Cones (Paperback): Isaac Klapper, Daniel B Szyld, Kai Zhao Metabolic Networks, Elementary Flux Modes, and Polyhedral Cones (Paperback)
Isaac Klapper, Daniel B Szyld, Kai Zhao
R1,378 Discovery Miles 13 780 Ships in 12 - 17 working days

Expositions of quantitative methods and algorithms for biological data tend to be scattered through the technical literature, often across different fields, and are thus awkward to assimilate. This book documents one example of this: the relationship between the cell biology idea of metabolic networks and the mathematical idea of polyhedral cones. Such cones can be used to describe the set of steady-state admissible fluxes through metabolic networks, and consequently have become important constructs in the field of microbiology. Via convex cone concepts, fundamental objects called elementary flux modes (EFMs) can be described mathematically. The fundamental algorithm of this relationship is the double description method, which has an extended history in the field of computational geometry. This monograph addresses its relatively recent use in the context of cellular metabolism. Metabolic Networks, Elementary Flux Modes, and Polyhedral Cones: Addresses important topics in the mathematical description of metabolic activity that have not previously appeared in unified form. Introduces a central topic of mathematical systems biology in a manner accessible to nonmathematicians with some mathematical and computational experience. Presents a careful study of the double description method, a fundamental algorithm of computational geometry, in the context of metabolic analysis. The core audience for this book includes mathematicians, engineers, and biologists interested in cell metabolism. Computational geometers will also find it of interest.

Introduction to Differential Topology (Paperback): T. Broecker, K. Janich Introduction to Differential Topology (Paperback)
T. Broecker, K. Janich; Translated by C.B. Thomas, M.J. Thomas
R1,024 Discovery Miles 10 240 Ships in 12 - 17 working days

This book is intended as an elementary introduction to differential manifolds. The authors concentrate on the intuitive geometric aspects and explain not only the basic properties but also teach how to do the basic geometrical constructions. An integral part of the work are the many diagrams which illustrate the proofs. The text is liberally supplied with exercises and will be welcomed by students with some basic knowledge of analysis and topology.

Low-Dimensional Topology (Paperback): R. Brown, T.L. Thickstun Low-Dimensional Topology (Paperback)
R. Brown, T.L. Thickstun
R1,029 Discovery Miles 10 290 Ships in 12 - 17 working days

This volume consists of the proceedings of a conference held at the University College of North Wales (Bangor) in July of 1979. It assembles research papers which reflect diverse currents in low-dimensional topology. The topology of 3-manifolds, hyperbolic geometry and knot theory emerge as major themes. The inclusion of surveys of work in these areas should make the book very useful to students as well as researchers.

The Hidden Chapter - An Investigation into the Custody of Lost Knowledge (Hardcover): Joy Hancox The Hidden Chapter - An Investigation into the Custody of Lost Knowledge (Hardcover)
Joy Hancox
R690 R566 Discovery Miles 5 660 Save R124 (18%) Ships in 10 - 20 working days
Geometry (Paperback, 2nd Revised edition): David A. Brannan, Matthew F. Esplen, Jeremy J. Gray Geometry (Paperback, 2nd Revised edition)
David A. Brannan, Matthew F. Esplen, Jeremy J. Gray
R1,290 Discovery Miles 12 900 Ships in 12 - 17 working days

This richly illustrated and clearly written undergraduate textbook captures the excitement and beauty of geometry. The approach is that of Klein in his Erlangen programme: a geometry is a space together with a set of transformations of the space. The authors explore various geometries: affine, projective, inversive, hyperbolic and elliptic. In each case they carefully explain the key results and discuss the relationships between the geometries. New features in this second edition include concise end-of-chapter summaries to aid student revision, a list of further reading and a list of special symbols. The authors have also revised many of the end-of-chapter exercises to make them more challenging and to include some interesting new results. Full solutions to the 200 problems are included in the text, while complete solutions to all of the end-of-chapter exercises are available in a new Instructors' Manual, which can be downloaded from www.cambridge.org/9781107647831.

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