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Bøger af John Stillwell

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  • af John Stillwell
    524,95 kr.

    This book unifies ideas from set theory and mathematical logic and traces their effects on mainstream mathematical topics of today, such as number theory and combinatorics. Ideas are shown to evolve from natural mathematical questions about the nature of infinity and the nature of proof, set against a background of broader questions and developm

  • af John Stillwell
    565,95 kr.

  • af John Stillwell
    568,95 kr.

    This book is intended to complement my Elements oi Algebra, and it is similarly motivated by the problem of solving polynomial equations. However, it is independent of the algebra book, and probably easier. In Elements oi Algebra we sought solution by radicals, and this led to the concepts of fields and groups and their fusion in the celebrated theory of Galois. In the present book we seek integer solutions, and this leads to the concepts of rings and ideals which merge in the equally celebrated theory of ideals due to Kummer and Dedekind. Solving equations in integers is the central problem of number theory, so this book is truly a number theory book, with most of the results found in standard number theory courses. However, numbers are best understood through their algebraic structure, and the necessary algebraic concepts- rings and ideals-have no better motivation than number theory. The first nontrivial examples of rings appear in the number theory of Euler and Gauss. The concept of ideal-today as routine in ring the- ory as the concept of normal subgroup is in group theory-also emerged from number theory, and in quite heroic fashion. Faced with failure of unique prime factorization in the arithmetic of certain generalized "e;inte- gers"e; , Kummer created in the 1840s a new kind of number to overcome the difficulty. He called them "e;ideal numbers"e; because he did not know exactly what they were, though he knew how they behaved.

  • af John Stillwell
    566,95 kr.

    Many people think there is only one ¿right¿ way to teach geometry. For two millennia, the ¿right¿ way was Euclid¿s way, and it is still good in many respects. But in the 1950s the cry ¿Down with triangles!¿ was heard in France and new geometry books appeared, packed with linear algebra but with no diagrams. Was this the new ¿right¿ way, or was the ¿right¿ way something else again, perhaps transformation groups? In this book, I wish to show that geometry can be developed in four fundamentally different ways, and that all should be used if the subject is to be shown in all its splendor. Euclid-style construction and axiomatics seem the best way to start, but linear algebra smooths the later stages by replacing some tortuous arguments by simple calculations. And how can one avoid projective geometry? It not only explains why objects look the way they do; it also explains why geometry is entangled with algebra. Finally, one needs to know that there is not one geometry, but many, and transformation groups are the best way to distinguish between them. Two chapters are devoted to each approach: The ?rst is concrete and introductory, whereas the second is more abstract. Thus, the ?rst chapter on Euclid is about straightedge and compass constructions; the second is about axioms and theorems. The ?rst chapter on linear algebra is about coordinates; the second is about vector spaces and the inner product.

  • af John Stillwell
    672,95 kr.

  • af John Stillwell
    816,95 - 915,95 kr.

    In recent years, many students have been introduced to topology in high school mathematics. Having met the Mobius band, the seven bridges of Konigsberg, Euler's polyhedron formula, and knots, the student is led to expect that these picturesque ideas will come to full flower in university topology courses. What a disappointment "e;undergraduate topology"e; proves to be! In most institutions it is either a service course for analysts, on abstract spaces, or else an introduction to homological algebra in which the only geometric activity is the completion of commutative diagrams. Pictures are kept to a minimum, and at the end the student still does nr~ understand the simplest topological facts, such as the rcason why knots exist. In my opinion, a well-balanced introduction to topology should stress its intuitive geometric aspect, while admitting the legitimate interest that analysts and algebraists have in the subject. At any rate, this is the aim of the present book. In support of this view, I have followed the historical development where practicable, since it clearly shows the influence of geometric thought at all stages. This is not to claim that topology received its main impetus from geometric recreations like the seven bridges; rather, it resulted from the l'isualization of problems from other parts of mathematics-complex analysis (Riemann), mechanics (Poincare), and group theory (Dehn). It is these connec- tions to other parts of mathematics which make topology an important as well as a beautiful subject.

  • af John Stillwell
    662,95 kr.

  • af John Stillwell
    543,95 kr.

    How the concept of proof has enabled the creation of mathematical knowledgeThe Story of Proof investigates the evolution of the concept of proofΓÇöone of the most significant and defining features of mathematical thoughtΓÇöthrough critical episodes in its history. From the Pythagorean theorem to modern times, and across all major mathematical disciplines, John Stillwell demonstrates that proof is a mathematically vital concept, inspiring innovation and playing a critical role in generating knowledge.Stillwell begins with Euclid and his influence on the development of geometry and its methods of proof, followed by algebra, which began as a self-contained discipline but later came to rival geometry in its mathematical impact. In particular, the infinite processes of calculus were at first viewed as ΓÇ£infinitesimal algebra,ΓÇ¥ and calculus became an arena for algebraic, computational proofs rather than axiomatic proofs in the style of Euclid. Stillwell proceeds to the areas of number theory, non-Euclidean geometry, topology, and logic, and peers into the deep chasm between natural number arithmetic and the real numbers. In its depths, Cantor, G├╢del, Turing, and others found that the concept of proof is ultimately part of arithmetic. This startling fact imposes fundamental limits on what theorems can be proved and what problems can be solved.Shedding light on the workings of mathematics at its most fundamental levels, The Story of Proof offers a compelling new perspective on the fieldΓÇÖs power and progress.

  • - A Concise Edition
    af John Stillwell
    492,95 kr.

    This textbook provides a unified and concise exploration of undergraduate mathematics by approaching the subject through its history. however, biographical sketches have been omitted. Mathematics and Its History: A Concise Edition is an essential resource for courses or reading programs on the history of mathematics.

  • - Spatial Interaction Data Applications
    af John Stillwell
    2.047,95 kr.

    Addresses the technical and data-related side of studying population flows. With expert international contributors currently working in the field, this authoritative book allows readers to better understand interaction data and the ways knowledge of population flows can be put to use.

  • - Proofs from the Inside Out
    af John Stillwell
    213,95 - 403,95 kr.

  • - From Euclid to Goedel
    af John Stillwell
    262,95 - 542,95 kr.

  • - An Introduction to Set Theory and Analysis
    af John Stillwell
    257,95 - 342,95 kr.

    This text plugs a gap in the standard curriculum by linking set theory with analysis. It features a distinctive, detailed treatment of the real numbers system, and combines an introduction to set theory with exposition of the essence of analysis.

  • - Geometry, Numbers, Equations
    af John Stillwell
    438,94 - 659,95 kr.

    Algebra is abstract mathematics - let us make no bones about it - yet it is also applied mathematics in its best and purest form. Algebra emerged from the struggle to solve concrete, physical problems in geometry, and succeeded after 2000 years of failure by other forms of mathematics.

  • - The Mathematics of Truth and Proof
    af John Stillwell
    1.220,95 kr.

    Offers a comprehensive introduction to the role of infinity in mathematics, from ancient to modern times. Suitable for general audience, this book explains the critical philosophical issues connected to the concept of infinity and their relevance for the foundations of mathematics.

  • af John Stillwell
    467,95 - 516,95 kr.

    This book offers a collection of historical essays detailing a large variety of mathematical disciplines and issues; it's accessible to a broad audience. This third edition includes new chapters on simple groups and new sections on alternating groups and the Poincare conjecture. Many more exercises have been added as well as commentary that helps place the exercises in context.

  • af John Stillwell
    352,95 kr.

    In this new textbook, acclaimed author John Stillwell presents a lucid introduction to Lie theory suitable for junior and senior level undergraduates.

  • af John Stillwell
    466,95 kr.

    Solutions of equations in integers is the central problem of number theory and is the focus of this book. The author has tried to avoid the ad hoc proofs in favor of unifying ideas that work in many situations. There are exercises at the end of almost every section, so that each new idea or proof receives immediate reinforcement.

  • af John Stillwell
    397,95 kr.

    This book is unique in that it looks at geometry from 4 different viewpoints - Euclid-style axioms, linear algebra, projective geometry, and groups and their invariantsApproach makes the subject accessible to readers of all mathematical tastes, from the visual to the algebraicAbundantly supplemented with figures and exercises

  • af John Stillwell
    487,95 kr.

    A beautiful and relatively elementary account of a part of mathematics where three main fields - algebra, analysis and geometry - meet. Stillwell has chosen an array of exciting and worthwhile topics and elegantly combines mathematical history with mathematics.

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