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Books > Science & Mathematics > Mathematics > Geometry

The Arithmetic and Geometry of Algebraic Cycles (Hardcover, 2000 ed.): B.Brent Gordon, James D. Lewis, Stefan Muller-Stach,... The Arithmetic and Geometry of Algebraic Cycles (Hardcover, 2000 ed.)
B.Brent Gordon, James D. Lewis, Stefan Muller-Stach, Shuji Saito, Noriko Yui
R5,924 Discovery Miles 59 240 Ships in 18 - 22 working days

The subject of algebraic cycles has thrived through its interaction with algebraic K-theory, Hodge theory, arithmetic algebraic geometry, number theory, and topology. These interactions have led to such developments as a description of Chow groups in terms of algebraic K-theory, the arithmetic Abel-Jacobi mapping, progress on the celebrated conjectures of Hodge and Tate, and the conjectures of Bloch and Beilinson. The immense recent progress in algebraic cycles, based on so many interactions with so many other areas of mathematics, has contributed to a considerable degree of inaccessibility, especially for graduate students. Even specialists in one approach to algebraic cycles may not understand other approaches well. This book offers students and specialists alike a broad perspective of algebraic cycles, presented from several viewpoints, including arithmetic, transcendental, topological, motives and K-theory methods. Topics include a discussion of the arithmetic Abel-Jacobi mapping, higher Abel-Jacobi regulator maps, polylogarithms and L-series, candidate Bloch-Beilinson filtrations, applications of Chern-Simons invariants to algebraic cycles via the study of algebraic vector bundles with algebraic connection, motivic cohomology, Chow groups of singular varieties, and recent progress on the Hodge and Tate conjectures for Abelian varieties.

Singular Loci of Schubert Varieties (Hardcover, 2000 ed.): Sara Sarason, V. Lakshmibai Singular Loci of Schubert Varieties (Hardcover, 2000 ed.)
Sara Sarason, V. Lakshmibai
R3,717 Discovery Miles 37 170 Ships in 10 - 15 working days

"Singular Loci of Schubert Varieties" is a unique work at the crossroads of representation theory, algebraic geometry, and combinatorics. Over the past 20 years, many research articles have been written on the subject in notable journals. In this work, Billey and Lakshmibai have recreated and restructured the various theories and approaches of those articles and present a clearer understanding of this important subdiscipline of Schubert varieties a" namely singular loci. The main focus, therefore, is on the computations for the singular loci of Schubert varieties and corresponding tangent spaces. The methods used include standard monomial theory, the nil Hecke ring, and Kazhdan-Lusztig theory. New results are presented with sufficient examples to emphasize key points. A comprehensive bibliography, index, and tables a" the latter not to be found elsewhere in the mathematics literature a" round out this concise work. After a good introduction giving background material, the topics are presented in a systematic fashion to engage a wide readership of researchers and graduate students.

Geometric Analysis and Applications to Quantum Field Theory (Hardcover, 2002 ed.): Peter Bouwknegt, Siye Wu Geometric Analysis and Applications to Quantum Field Theory (Hardcover, 2002 ed.)
Peter Bouwknegt, Siye Wu
R1,525 Discovery Miles 15 250 Ships in 18 - 22 working days

In recent years, there has been tremendous progress on the interface of geometry and mathematical physics. This book reflects the expanded articles of several lectures in these areas delivered at the University of Adelaide, with an audience of primarily graduate students. The aim of this volume is to provide surveys of recent progress without assuming too much prerequisite knowledge and with a comprehensive bibliography, so that researchers and graduate students in geometry and mathematical physics will benefit. The contributors cover a number of areas in mathematical physics. Chapter 1 offers a self-contained derivation of the partition function of Chern-Simons gauge theory in the semiclassical approximation. Chapter 2 considers the algebraic and geometric aspects of the Knizhnik-Zamolodchikov equations in conformal field theory, including their relation to the braid group, quantum groups and infinite dimensional Lie algebras. Chapter 3 surveys the application of the representation theory of loop groups to simple models in quantum field theory and to certain integrable systems. Chapter 4 examines the variational methods in Hermitian geometry from the viewpoint of the critical points of action functionals together with physical backgrounds. Chapter 5 is a review of monopoles in non-Abelian gauge theories and the various approaches to understanding them. Chapter 6 covers much of the exciting recent developments in quantum cohomology, including relative Gromov-Witten invariant, birational geometry, naturality and mirror symmetry. Chapter 7 explains the physics origin of the Seiberg-Witten equations in four-manifold theory and a number of important concepts in quantum field theory, such asvacuum, mass gap, (super)symmetry, anomalies and duality. Contributors: D.H. Adam, P. Bouwknegt, A.L. Carey, A. Harris, E. Langmann, M.K. Murray, Y. Ruan, S. Wu D. H. Adams: Semiclassical Approximation in Chern-Simons Gauge Theory P. Bouwknegt: The Knizhnik-Zamolodchikov Equations A. L. Carey and E. Langmann: Loop Groups and Quantum Fields A. Harris: Some Applications of Variational Calculus in Hermitian Geometry M. K. Murray: Monopoles Y. Ruan: On Gromov-Witten Invariants and Quantum Cohomology S. Wu The Geometry and Physics of the Seiberg-Witten Equations

Geometry of Digital Spaces (Hardcover, 1998 ed.): Gabor T. Herman Geometry of Digital Spaces (Hardcover, 1998 ed.)
Gabor T. Herman
R1,590 Discovery Miles 15 900 Ships in 18 - 22 working days

"La narraci6n literaria es la evocaci6n de las nostalgias. " ("Literary narration is the evocation of nostalgia. ") G. G. Marquez, interview in Puerta del Sol, VII, 4, 1996. A Personal Prehistory In 1972 I started cooperating with members of the Biodynamics Research Unit at the Mayo Clinic in Rochester, Minnesota, which was under the direction of Earl H. Wood. At that time, their ambitious (and eventually realized) dream was to build the Dynamic Spatial Reconstructor (DSR), a device capable of collecting data regarding the attenuation of X-rays through the human body fast enough for stop-action imaging the full extent of the beating heart inside the thorax. Such a device can be applied to study the dynamic processes of cardiopulmonary physiology, in a manner similar to the application of an ordinary cr (computerized tomography) scanner to observing stationary anatomy. The standard method of displaying the information produced by a cr scanner consists of showing two-dimensional images, corresponding to maps of the X-ray attenuation coefficient in slices through the body. (Since different tissue types attenuate X-rays differently, such maps provide a good visualization of what is in the body in those slices; bone - which attenuates X-rays a lot - appears white, air appears black, tumors typically appear less dark than the surrounding healthy tissue, etc. ) However, it seemed to me that this display mode would not be appropriate for the DSR.

Math Foundation + (Hardcover): David Andre Math Foundation + (Hardcover)
David Andre; Selected by Llc Quantamental Math
R2,807 Discovery Miles 28 070 Ships in 18 - 22 working days
Aspects of Complex Analysis, Differential Geometry, Mathematical Physics and Applications - Proceedings of the Fourth... Aspects of Complex Analysis, Differential Geometry, Mathematical Physics and Applications - Proceedings of the Fourth International Workshop on Complex Structures and Vector Fields, St.Konstantin, Bulgaria 3-11 September 1998 (Hardcover)
Stancho Dimiev, Kouei Sekigawa
R3,706 Discovery Miles 37 060 Ships in 18 - 22 working days

This volume constitutes the proceedings of a workshop whose main purpose was to exchange information on current topics in complex analysis, differential geometry, mathematical physics and applications, and to group aspects of new mathematics.

New Approaches to Circle Packing in a Square - With Program Codes (Hardcover, 2007): Peter Gabor Szabo, Mihaly Csaba Markot,... New Approaches to Circle Packing in a Square - With Program Codes (Hardcover, 2007)
Peter Gabor Szabo, Mihaly Csaba Markot, Tibor Csendes, Eckard Specht, Leocadio G. Casado, …
R2,786 Discovery Miles 27 860 Ships in 18 - 22 working days

New Approaches to Circle Packing into the Square is devoted to the most recent results on the densest packing of equal circles in a square. In the last few decades, many articles have considered this question, which has been an object of interest since it is a hard challenge both in discrete geometry and in mathematical programming. The authors have studied this geometrical optimization problem for a long time, and they developed several new algorithms to solve it. The book completely covers the investigations on this topic.

Algebraic Geometry and Number Theory - In Honor of Vladimir Drinfeld's 50th Birthday (Hardcover, 2006 ed.): Victor Ginzburg Algebraic Geometry and Number Theory - In Honor of Vladimir Drinfeld's 50th Birthday (Hardcover, 2006 ed.)
Victor Ginzburg
R4,369 Discovery Miles 43 690 Ships in 18 - 22 working days

This book represents a collection of invited papers by outstanding mathematicians in algebra, algebraic geometry, and number theory dedicated to Vladimir Drinfeld. Original research articles reflect the range of Drinfeld's work, and his profound contributions to the Langlands program, quantum groups, and mathematical physics are paid particular attention. These ten original articles by prominent mathematicians, dedicated to Drinfeld on the occasion of his 50th birthday, broadly reflect the range of Drinfeld's own interests in algebra, algebraic geometry, and number theory.

Complex Analysis and Geometry - KSCV10, Gyeongju, Korea, August 2014 (Hardcover, 1st ed. 2015): Filippo Bracci, Jisoo Byun,... Complex Analysis and Geometry - KSCV10, Gyeongju, Korea, August 2014 (Hardcover, 1st ed. 2015)
Filippo Bracci, Jisoo Byun, Herve Gaussier, Kengo Hirachi, Kang-Tae Kim, …
R4,297 R3,496 Discovery Miles 34 960 Save R801 (19%) Ships in 10 - 15 working days

This volume includes 28 chapters by authors who are leading researchers of the world describing many of the up-to-date aspects in the field of several complex variables (SCV). These contributions are based upon their presentations at the 10th Korean Conference on Several Complex Variables (KSCV10), held as a satellite conference to the International Congress of Mathematicians (ICM) 2014 in Seoul, Korea. SCV has been the term for multidimensional complex analysis, one of the central research areas in mathematics. Studies over time have revealed a variety of rich, intriguing, new knowledge in complex analysis and geometry of analytic spaces and holomorphic functions which were "hidden" in the case of complex dimension one. These new theories have significant intersections with algebraic geometry, differential geometry, partial differential equations, dynamics, functional analysis and operator theory, and sheaves and cohomology, as well as the traditional analysis of holomorphic functions in all dimensions. This book is suitable for a broad audience of mathematicians at and above the beginning graduate-student level. Many chapters pose open-ended problems for further research, and one in particular is devoted to problems for future investigations.

Modern General Topology, Volume 33 (Hardcover, 3rd edition): J.-I. Nagata Modern General Topology, Volume 33 (Hardcover, 3rd edition)
J.-I. Nagata
R1,959 Discovery Miles 19 590 Ships in 10 - 15 working days

This classic work has been fundamentally revised to take account of recent developments in general topology. The first three chapters remain unchanged except for numerous minor corrections and additional exercises, but chapters IV-VII and the new chapter VIII cover the rapid changes that have occurred since 1968 when the first edition appeared.
The reader will find many new topics in chapters IV-VIII, e.g. theory of Wallmann-Shanin's compactification, realcompact space, various generalizations of paracompactness, generalized metric spaces, Dugundji type extension theory, linearly ordered topological space, theory of cardinal functions, dyadic space, etc., that were, in the author's opinion, mostly special or isolated topics some twenty years ago but now settle down into the mainstream of general topology.

Symmetries of Spacetimes and Riemannian Manifolds (Hardcover, 1999 ed.): Krishan L. Duggal, Ramesh Sharma Symmetries of Spacetimes and Riemannian Manifolds (Hardcover, 1999 ed.)
Krishan L. Duggal, Ramesh Sharma
R1,527 Discovery Miles 15 270 Ships in 18 - 22 working days

This book provides an upto date information on metric, connection and curva ture symmetries used in geometry and physics. More specifically, we present the characterizations and classifications of Riemannian and Lorentzian manifolds (in particular, the spacetimes of general relativity) admitting metric (i.e., Killing, ho mothetic and conformal), connection (i.e., affine conformal and projective) and curvature symmetries. Our approach, in this book, has the following outstanding features: (a) It is the first-ever attempt of a comprehensive collection of the works of a very large number of researchers on all the above mentioned symmetries. (b) We have aimed at bringing together the researchers interested in differential geometry and the mathematical physics of general relativity by giving an invariant as well as the index form of the main formulas and results. (c) Attempt has been made to support several main mathematical results by citing physical example(s) as applied to general relativity. (d) Overall the presentation is self contained, fairly accessible and in some special cases supported by an extensive list of cited references. (e) The material covered should stimulate future research on symmetries. Chapters 1 and 2 contain most of the prerequisites for reading the rest of the book. We present the language of semi-Euclidean spaces, manifolds, their tensor calculus; geometry of null curves, non-degenerate and degenerate (light like) hypersurfaces. All this is described in invariant as well as the index form."

Point Groups, Space Groups, Crystals, Molecules (Hardcover): Ronald Mirman Point Groups, Space Groups, Crystals, Molecules (Hardcover)
Ronald Mirman
R2,571 Discovery Miles 25 710 Ships in 10 - 15 working days

This book is by far the most comprehensive treatment of point and space groups, and their meaning and applications. Its completeness makes it especially useful as a text, since it gives the instructor the flexibility to best fit the class and goals. The instructor, not the author, decides what is in the course. And it is the prime book for reference, as material is much more likely to be found in it than in any other book; it also provides detailed guides to other sources.Much of what is taught is folklore, things everyone knows are true, but (almost?) no one knows why, or has seen proofs, justifications, rationales or explanations. (Why are there 14 Bravais lattices, and why these? Are the reasons geometrical, conventional or both? What determines the Wigner-Seitz cells? How do they affect the number of Bravais lattices? Why are symmetry groups relevant to molecules whose vibrations make them unsymmetrical? And so on). Here these analyses are given, interrelated, and in-depth. The understanding so obtained gives a strong foundation for application and extension. Assumptions and restrictions are not merely made explicit, but also emphasized.In order to provide so much information, details and examples, and ways of helping readers learn and understand, the book contains many topics found nowhere else, or only in obscure articles from the distant past. The treatment is (often completely) different from those elsewhere. At least in the explanations, and usually in many other ways, the book is completely new and fresh. It is designed to inform, educate and make the reader think. It strongly emphasizes understanding.The book can be used at many levels, by many different classes of readers - from those who merely want brief explanations (perhaps just of terminology), who just want to skim, to those who wish the most thorough understanding. remove remove

Modern Differential Geometry For Physicists (2nd Edition) (Hardcover, 2nd Revised edition): Chris J. Isham Modern Differential Geometry For Physicists (2nd Edition) (Hardcover, 2nd Revised edition)
Chris J. Isham
R2,039 Discovery Miles 20 390 Ships in 10 - 15 working days

This edition of the invaluable text Modern Differential Geometry for Physicists contains an additional chapter that introduces some of the basic ideas of general topology needed in differential geometry. A number of small corrections and additions have also been made.These lecture notes are the content of an introductory course on modern, coordinate-free differential geometry which is taken by first-year theoretical physics PhD students, or by students attending the one-year MSc course "Quantum Fields and Fundamental Forces" at Imperial College. The book is concerned entirely with mathematics proper, although the emphasis and detailed topics have been chosen bearing in mind the way in which differential geometry is applied these days to modern theoretical physics. This includes not only the traditional area of general relativity but also the theory of Yang-Mills fields, nonlinear sigma models and other types of nonlinear field systems that feature in modern quantum field theory.The volume is divided into four parts: (i) introduction to general topology; (ii) introductory coordinate-free differential geometry; (iii) geometrical aspects of the theory of Lie groups and Lie group actions on manifolds; (iv) introduction to the theory of fibre bundles. In the introduction to differential geometry the author lays considerable stress on the basic ideas of "tangent space structure", which he develops from several different points of view - some geometrical, others more algebraic. This is done with awareness of the difficulty which physics graduate students often experience when being exposed for the first time to the rather abstract ideas of differential geometry.

An Invitation to Algebraic Geometry (Hardcover, 1st ed. 2000. Corr. 2nd printing 2004): Karen E. Smith, Lauri Kahanpaa, Pekka... An Invitation to Algebraic Geometry (Hardcover, 1st ed. 2000. Corr. 2nd printing 2004)
Karen E. Smith, Lauri Kahanpaa, Pekka Kekalainen, William Traves
R2,086 Discovery Miles 20 860 Ships in 10 - 15 working days

The aim of this book is to describe the underlying principles of algebraic geometry, some of its important developments in the twentieth century, and some of the problems that occupy its practitioners today. It is intended for the working or the aspiring mathematician who is unfamiliar with algebraic geometry but wishes to gain an appreciation of its foundations and its goals with a minimum of prerequisites. Few algebraic prerequisites are presumed beyond a basic course in linear algebra.

Elliptic Curves and Their Applications to Cryptography - An Introduction (Hardcover, 1999 ed.): Andreas Enge Elliptic Curves and Their Applications to Cryptography - An Introduction (Hardcover, 1999 ed.)
Andreas Enge
R5,916 Discovery Miles 59 160 Ships in 18 - 22 working days

Since their invention in the late seventies, public key cryptosystems have become an indispensable asset in establishing private and secure electronic communication, and this need, given the tremendous growth of the Internet, is likely to continue growing. Elliptic curve cryptosystems represent the state of the art for such systems. Elliptic Curves and Their Applications to Cryptography: An Introduction provides a comprehensive and self-contained introduction to elliptic curves and how they are employed to secure public key cryptosystems. Even though the elegant mathematical theory underlying cryptosystems is considerably more involved than for other systems, this text requires the reader to have only an elementary knowledge of basic algebra. The text nevertheless leads to problems at the forefront of current research, featuring chapters on point counting algorithms and security issues. The Adopted unifying approach treats with equal care elliptic curves over fields of even characteristic, which are especially suited for hardware implementations, and curves over fields of odd characteristic, which have traditionally received more attention. Elliptic Curves and Their Applications: An Introduction has been used successfully for teaching advanced undergraduate courses. It will be of greatest interest to mathematicians, computer scientists, and engineers who are curious about elliptic curve cryptography in practice, without losing the beauty of the underlying mathematics.

Mathematical Visualization - Algorithms, Applications and Numerics (Hardcover, 1998 ed.): H.C. Hege, K. Polthier Mathematical Visualization - Algorithms, Applications and Numerics (Hardcover, 1998 ed.)
H.C. Hege, K. Polthier
R2,727 Discovery Miles 27 270 Ships in 18 - 22 working days

Mathematical Visualization is a young new discipline. It offers efficient visualization tools to the classical subjects of mathematics, and applies mathematical techniques to problems in computer graphics and scientific visualization. Originally, it started in the interdisciplinary area of differential geometry, numerical mathematics, and computer graphics. In recent years, the methods developed have found important applications.
The current volume is the quintessence of an international workshop in September 1997 in Berlin, focusing on recent developments in this emerging area. Experts present selected research work on new algorithms for visualization problems, describe the application and experiments in geometry, and develop new numerical or computer graphical techniques.

Representation Theories and Algebraic Geometry (Hardcover, 1998 ed.): A. Broer Representation Theories and Algebraic Geometry (Hardcover, 1998 ed.)
A. Broer; Adapted by Gert Sabidussi
R5,394 Discovery Miles 53 940 Ships in 18 - 22 working days

The 12 lectures presented in Representation Theories and Algebraic Geometry focus on the very rich and powerful interplay between algebraic geometry and the representation theories of various modern mathematical structures, such as reductive groups, quantum groups, Hecke algebras, restricted Lie algebras, and their companions. This interplay has been extensively exploited during recent years, resulting in great progress in these representation theories. Conversely, a great stimulus has been given to the development of such geometric theories as D-modules, perverse sheafs and equivariant intersection cohomology. The range of topics covered is wide, from equivariant Chow groups, decomposition classes and Schubert varieties, multiplicity free actions, convolution algebras, standard monomial theory, and canonical bases, to annihilators of quantum Verma modules, modular representation theory of Lie algebras and combinatorics of representation categories of Harish-Chandra modules.

The Conformal Structure of Space-Times - Geometry, Analysis, Numerics (Hardcover, 2002 ed.): Joerg Frauendiener, Helmut... The Conformal Structure of Space-Times - Geometry, Analysis, Numerics (Hardcover, 2002 ed.)
Joerg Frauendiener, Helmut Friedrich
R2,860 Discovery Miles 28 600 Ships in 18 - 22 working days

Causal relations, and with them the underlying null cone or conformal structure, form a basic ingredient in all general analytical studies of asymptotically flat space-time. The present book reviews these aspects from the analytical, geometrical and numerical points of view. Care has been taken to present the material in a way that will also be accessible to postgraduate students and nonspecialist reseachers from related fields.

Geometric Fundamentals of Robotics (Hardcover, 2nd ed. 2005): J. M. Selig Geometric Fundamentals of Robotics (Hardcover, 2nd ed. 2005)
J. M. Selig
R2,875 Discovery Miles 28 750 Ships in 18 - 22 working days

* Provides an elegant introduction to the geometric concepts that are important to applications in robotics

* Includes significant state-of-the art material that reflects important advances, connecting robotics back to mathematical fundamentals in group theory and geometry

* An invaluable reference that serves a wide audience of grad students and researchers in mechanical engineering, computer science, and applied mathematics

Topological Spaces - From Distance to Neighborhood (Hardcover, 1997 ed.): Gerard Buskes, Arnoud Van Rooij Topological Spaces - From Distance to Neighborhood (Hardcover, 1997 ed.)
Gerard Buskes, Arnoud Van Rooij
R1,809 Discovery Miles 18 090 Ships in 18 - 22 working days

gentle introduction to the subject, leading the reader to understand the notion of what is important in topology with regard to geometry. Divided into three sections - The line and the plane, Metric spaces and Topological spaces -, the book eases the move into higher levels of abstraction. Students are thereby informally assisted in learning new ideas while remaining on familiar territory. The authors do not assume previous knowledge of axiomatic approach or set theory. Similarly, they have restricted the mathematical vocabulary in the book so as to avoid overwhelming the reader, and the concept of convergence is employed to allow students to focus on a central theme while moving to a natural understanding of the notion of topology. The pace of the book is relaxed with gradual acceleration: the first nine sections form a balanced course in metric spaces for undergraduates while also containing ample material for a two-semester graduate course. Finally, the book illustrates the many connections between topology and other subjects, such as analysis and set theory, via the inclusion of "Extras" at the end of each chapter presenting a brief foray outside topology.

Shadows Of The Circle: Conic Sections, Optimal Figures And Non-euclidean Geometry (Hardcover): Vagn Lundsgaard Hansen Shadows Of The Circle: Conic Sections, Optimal Figures And Non-euclidean Geometry (Hardcover)
Vagn Lundsgaard Hansen
R582 Discovery Miles 5 820 Ships in 10 - 15 working days

The aim of this book is to throw light on various facets of geometry through development of four geometrical themes.

The first theme is about the ellipse, the shape of the shadow east by a circle. The next, a natural continuation of the first, is a study of all three types of conic sections, the ellipse, the parabola and the hyperbola.

The third theme is about certain properties of geometrical figures related to the problem of finding the largest area that can be enclosed by a curve of given length. This problem is called the isoperimetric problem. In itself, this topic contains motivation for major parts of the curriculum in mathematics at college level and sets the stage for more advanced mathematical subjects such as functions of several variables and the calculus of variations. Here, three types of conic section are discussed briefly.

The emergence of non-Euclidean geometries in the beginning of the nineteenth century represents one of the dramatic episodes in the history of mathematics. In the last theme the non-Euclidean geometry in the Poincare disc model of the hyperbolic plane is developed.

Riemannian Geometry of Contact and Symplectic Manifolds (Hardcover, 2nd ed. 2010): David E. Blair Riemannian Geometry of Contact and Symplectic Manifolds (Hardcover, 2nd ed. 2010)
David E. Blair
R4,705 Discovery Miles 47 050 Ships in 10 - 15 working days

This second edition, divided into fourteen chapters, presents a comprehensive treatment of contact and symplectic manifolds from the Riemannian point of view. The monograph examines the basic ideas in detail and provides many illustrative examples for the reader.

"Riemannian Geometry of Contact and Symplectic Manifolds, Second Edition" provides new material in most chapters, but a particular emphasis remains on contact manifolds. Researchers, mathematicians, and graduate students in contact and symplectic manifold theory and in Riemannian geometry will benefit from this work. A basic course in Riemannian geometry is a prerequisite.

Unitals in Projective Planes (Hardcover, 2008 ed.): Susan Barwick, Gary Ebert Unitals in Projective Planes (Hardcover, 2008 ed.)
Susan Barwick, Gary Ebert
R1,514 Discovery Miles 15 140 Ships in 18 - 22 working days

This book is a monograph on unitals embedded in ?nite projective planes. Unitals are an interesting structure found in square order projective planes, and numerous research articles constructing and discussing these structures have appeared in print. More importantly, there still are many open pr- lems, and this remains a fruitful area for Ph.D. dissertations. Unitals play an important role in ?nite geometry as well as in related areas of mathematics. For example, unitals play a parallel role to Baer s- planes when considering extreme values for the size of a blocking set in a square order projective plane (see Section 2.3). Moreover, unitals meet the upper bound for the number of absolute points of any polarity in a square order projective plane (see Section 1.5). From an applications point of view, the linear codes arising from unitals have excellent technical properties (see 2 Section 6.4). The automorphism group of the classical unitalH =H(2, q ) is 2-transitive on the points ofH, and so unitals are of interest in group theory. In the ?eld of algebraic geometry over ?nite ?elds, H is a maximal curve that contains the largest number of F -rational points with respect to its genus, 2 q as established by the Hasse-Weil boun

Mechanistic Images in Geometric Form - Heinrich Hertz's 'Principles of Mechanics' (Hardcover, New): Jesper Lutzen Mechanistic Images in Geometric Form - Heinrich Hertz's 'Principles of Mechanics' (Hardcover, New)
Jesper Lutzen
R6,484 Discovery Miles 64 840 Ships in 10 - 15 working days

This book gives an analysis of Hertz's posthumously published Principles of Mechanics in its philosophical, physical and mathematical context. In a period of heated debates about the true foundation of physical sciences, Hertz's book was conceived and highly regarded as an original and rigorous foundation for a mechanistic research program. Insisting that a law-like account of nature would require hypothetical unobservables, Hertz viewed physical theories as (mental) images of the world rather than the true design behind the phenomena. This paved the way for the modern conception of a model. Rejecting the concept of force as a coherent basic notion of physics he built his mechanics on hidden masses (the ether) and rigid connections, and formulated it as a new differential geometric language. Recently many philosophers have studied Hertz's image theory and historians of physics have discussed his forceless mechanics. The present book shows how these aspects, as well as the hitherto overlooked mathematical aspects, form an integrated whole which is closely connected to the mechanistic world view of the time and which is a natural continuation of Hertz's earlier research on electromagnetism. Therefore it is also a case study of the strong interactions between philosophy, physics and mathematics. Moreover, the book presents an analysis of the genesis of many of the central elements of Hertz's mechanics based on his manuscripts and drafts. Hertz's research program was cut short by the advent of relativity theory but its image theory influenced many philosophers as well as some physicists and mathematicians and its geometric form had a lasting influence on advanced expositions of mechanics.

General Topology III - Paracompactness, Function Spaces, Descriptive Theory (Hardcover, 1995 ed.): A.V. Arhangel'skii General Topology III - Paracompactness, Function Spaces, Descriptive Theory (Hardcover, 1995 ed.)
A.V. Arhangel'skii
R2,779 Discovery Miles 27 790 Ships in 18 - 22 working days

This reference work deals with important topics in general topology and their role in functional analysis and axiomatic set theory, for graduate students and researchers working in topology, functional analysis, set theory and probability theory. It provides a guide to recent research findings, with three contributions by Arhangel'skii and Choban.

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