Springer springer vieweg nov 2011 (153 resultados)

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This volume contains most of the invited papers presented at the International Work shop on Synergetics, Schloss E1mau, Bavaria, May 2 to.May 7, 1977. This workshop fol lowed an International Symposium on SynergetiGS at Schloss E1mau, 1972, and an Inter national SUl11l1erschoo1 at Erice, Sicily, 1974. Synergetics is a rather new field of interdisciplinary research which studies the self-organized behavior of systems leading to the formation of structures and func tionings. Indeed the whole universe seems to be organized, with pronounced structures starting from spiral galaxies down to living cells. Furthermore, very many of the most interesting phenomena occur in systems which are far from thermal equilibrium. Synergetics in its present form focusses its attention on those phenomena where dra matic changes occur on a macroscopic scale. Here indeed Synergetics was able to re veal profound analogies between systems in different disciplines ranging from physics to sociology. This volume contains contributions from various fields but the reader will easily discover their cOl11J1on goal. Not only in the natural sciences but also in ecology, sociology, and economy, man is confronted with the problems of complex sys tems. The principles and analogies unearthed by Synergetics will certainly be very he1pfu~ to cope with such difficult problems. I use this opportunity to thank the Vo1kswagenwerk Foundation for its support of the project Synergetics and in particular for sponsoring the International Workshop on Synergetics. 292 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Since the establishment of magnetic resonance imaging theclinical diagnostic of the head and neck has improvedsubstantially and, therefore, in many cases this techniqueis used in the first place of radiological diagnosis. Thefeasibility of non-invasive MR angiography and 3-dimensionalreconstruction has enlarged the indication field of MRI.This book presents the meaning of this imaging technique forthe diagnosis of diseases in head and neck. Excellentfigures show the technicaland diagnostical possibilities ofthis method, the advantages and limitations of which areexplained as well. A comprehensive diagnostic strategy foreach diagnostic region is presented. This book is disignedfor the use of especially radiologists, ENT specialists andsurgeins. 296 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Growth of immobilized cells can be viewed as an alternative to growth of free cells in many instances. In others, immobilization confers a precision of control over the process not possible in free growth. Immobilization of cells can sometimes be considered to be a lower cost alternative to immobilization of enzymes. In this volume, immobilization procedures based on mechanical means and bonding of various types are examined, with detailed application examples. These applications include microorganisms, plant and animal cells, sub-cellular organelles and multiple enzyme systems. Particular attention is devoted to enzyme properties in immobilized cells and the properties of the carrier. The volume should provide the reader with a comprehensive overview of the subject, together with copious references. As well as serving as a research monograph, it could be used to provide reference material for a graduate course. Special thanks are due Mrs. JENNIFER KERBY for her dedicated work in the preparation of the manuscript, and IT-CHIN HSIEH for bibliographical assistance. COLIN R. PHILLIPS Toronto, July 1988 YIU C. POON v Table of Contents 1 Introduction. 1 References . 9 2 Methods of Cell Immobilization 11 2.1 Mechanical Immobilization . 11 2.1.1 Mycelial Pellet and Mat 11 2.1.2 Encapsulation . 48 2.1.3 Dialysis Culture. . . 49 2.1.4 Entrapment. . 50 2.2 Covalent Attachment 61 2.3 Ionic Attachment 62 2.3.1 Flocculation 62 2.3.2 Adsorption . 64 References . 66 3 Special Problems and Extended Applications . 75 3.1 Special Problems and Techniques . 176 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Notes on the Culture of Politics.- 1. Exhausted Energy.- 2. Politics as the Fiduciary of Future Generations.- 3. Fear of the Future: Cultural Survival.- On the Way to an Information Society.- 4. What Kinds of Shifts in Value will we have to Reckon with .- 5. An Intelligence Aid, But Not Intelligent.- 6. Thinking in Black and White Terms is Not the Answer.- 7. Tool Age of the Future.- 8. The Rapid Growth in the Range of Applications.- 9. Detente for the Social Environment Conflict .- 10. A New Wave of Independence.- 11. The Broad Field of the Information Society.- Old Values - A New Order.- 12. New Vitality for Old Values .- 13. Decreasing Demands on the Environment Means Making Sacrifices.- 14. Social Benefits at the Expense of Our Future Security.- 15. Rediscovering the Human Factor.- 16. A New Look at an Old Problem.- 17. More than Just a Vision .- Europe: Little Big Continent.- 18. Somehow Too Big and Too Small.- 19. Focusing Our Forces on the Facts.- 20. Reconciliation in the Midst of Contention.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 216 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -About 10 years ago, the first very small steps towards this book were taken. The starting point was marked by the deep and sudden slump of the Swiss economy in the mid-seventies: a crisis wiping out about 10 percentage points of GNP and employment within just two years. To this writer, it was clear from the beginning that neither the exogenous shocks nor the struc tural changes were in fact exogenous or structural. They were given and sha ped by global forces. They were part and parcel of capitalist development. There is no other highly developed country in the world which is so ex tremely and integrally exposed to world-wide currents of financial and economic changes as Switzerland. The degree and dimensions of open ness ofthe Swiss economy led to the formulation of our research approach for studying the internationalization of the economy, a topic theoretically and politically developed in this book. Empirical evidence relates to our study of Swiss experience. A well-known Swiss-American economist offered the following com ment on our previous work on the internationalization of industry: 'You are very good in raising interesting questions .' What was undoubtedly meant as a criticism was received as a compliment. Too much talent and too many research efforts are, in my opinion, wasted by research programs which place technique over substance. This unfortunate development in our profession has already greatly reduced the social utility of economists.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 192 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -In preparing the English edition of this unique work, every effort has been made to obtain an easily read and lueid exposition of the material. This has frequently been done at the expense of a literal translation of the original text and it is felt that such liberties as have been taken with the author's language are justified in the interest of ease in readingo None of us pretends to be an authority in the Russian language, and we trust that the original intent of the authors has not been lost. The equations, whieh were for the most part taken verbatim from the original work, were eheeked only eursorily; obvious and previously noted errors have been eorreeted. Fortunately, the Russian and English mathematieal notations are generally in good agreement. An exeeption is the shortened abbreviations for the hyperbolie functions (e.g. sh for sinh), and the symbol Jm rather that Im to denote the imaginary part. As near as possible, these diserepaneies have been correeted. In preparing the Bibliography, works having an English equivalent have been translated into the English title, but in the text the referenee to the Russian work was retained, as it was impraetieal to attempt to find in eaeh ease the eorresponding eitation in the English edition. Authors' names and titles associated with purely Russian works have been transliterated as nearly as possible to the English equivalent, along with the equivalent English title of the work cited.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 348 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Notation and Preliminary Remarks.- I Introduction to Probability Theory.- II Elementary Sampling Theory.- III Introduction to the Theory of Hypothesis Testing.- IV The Theory of Confidence Sets.- V Theory of Estimation.- VI Theory of Regression and the Sampling Theory of Multidimensional Normal Distributions.- VII Introduction to Non-parametric Theories.- Name and Subject Index.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 516 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -1 Epidemiology.- 1.1 Frequency.- 1.2 Descriptive Epidemiology.- 1.3 Causal Epidemiology.- 2 Pathological Anatomy.- 2.1 Macroscopic Study.- 2.2 Microscopic Study.- 2.3 Extraglandular Extension.- 2.4 Classification of the Stages of Development.- 3 Clinical Features.- 3.1 Classical Types.- 3.2 False Types.- 3.3 Metastatic Types.- 4 Biological Examinations.- 4.1 Standard Biology.- 4.2 Pancreatic Function Tests.- 4.3 Tumor Markers.- 5 Morphological Examinations.- 5.1 Conventional Roentgenograms.- 5.2 Ultrasonography and Computerized Tomography.- 5.3 Exploration of Bile Ducts and Wirsung's Duct.- 5.4 Angiography.- 5.5 Laparoscopy.- 5.6 Percutaneous Needle Biopsy.- 5.7 Magnetic Resonance.- 5.8 Morphological Diagnosis of the Principal Varieties of Pancreatic Tumors.- 5.9 Radiological Invasion Workup.- 6 Present Strategies for Diagnosis.- 6.1 Early Diagnosis.- 6.2 Presenting Symptoms.- 6.3 Further Investigations.- 6.4 Pretherapeutic Appraisal.- 6.5 Exploratory Laparotomy.- 6.6 Diagnostic Steps.- 6.7 Conclusion.- 7 Therapeutic Management.- 7.1 Pancreatectomies.- 7.2 Symptomatic Treatment.- 7.3 Chemotherapy and Radiation Therapy.- 8 Results of Therapy.- 8.1 Pancreatic Resection Versus Palliative Bypass.- 8.2 Results in Relation to Extent of Resection.- 8.3 Symptomatic and Adjuvant Therapies.- 9 Present Treatment Strategies.- 9.1 The Various Patient Groups.- 9.2 Exploratory Laparotomy.- 9.3 Curative Strategies.- 9.4 Palliative Strategies.- 9.5 Inoperable Patients.- 9.6 Conclusion.- 10 Intensive Care.- 10.1 Nutritional Deficiency and Support.- 10.2 Pain.- 10.3 Organic Predisposition.- 11 Treated Patients.- 11.1 Prognostic Factors.- 11.2 Quality of Survival.- 11.3 Follow-up.- 12 Conclusion.- 13 Subject lndex.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 236 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -In spite of ingenious experiments, imaginative theories, and unshakable faith in supreme forces, there is no way to know how life began. What is certain is that in the course of the development of the universe existing sources of energy fused to generate atoms, and atoms mingled to become small molecules. At some point by chance or design-according to one's belief, but no one's evidence-small molecules such as hydrogen, oxygen, carbon dioxide, water, and ammonia reacted to yield larger molecules with the property most essential to life: self-replication. Such molecules had to achieve a proper balance between the stability needed for their survival in the environment and the mutability for the generation of many forms of life. How amino acids were created or how DNA, RNA, and proteins developed remains a mystery. But we know that a simple core of nucleic acid embedded in a protein coat made the simplest unit of life (except for viroids). Whether viruses are a primitive or degenerated form of life is not known. Once proteins appeared, their great structural plasticity allowed them to react with other elements such as sulfur, iron, copper, and zinc. After an incalculable number of years, some of the proteins became capable of catalyzing the synthesis of new nucleic acids, new proteins, and other compounds such as polysaccharides and lipids.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 652 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -I. Bakelman was an expert in the study of nonlinear elliptic partial differential equations by methods of differential and convex geometry. In Russia he is also recognized as a reformer of mathematical education at both school and university levels. This book represents much of Bakelman's work of the last ten years (until his death in 1992). Much of his work was devoted to boundary value problems for mean curvature and Monge-Ampere equations in more than two variables and their generalizations. The book is suitable as a text book and reference work for graduate students and scientists (mathematicians but also physicists) working in the areas of convex functions and bodies, global geometric problems and nonlinear elliptic boundary value problems.Springer-Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 536 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -I. Inner Product Spaces without Topology.- 1. Vector Spaces.- 2. Inner Products.- 3. Orthogonality.- 4. Isotropic Vectors.- 5. Maximal Non-degenerate Subspaces.- 6. Maximal Semi-definite Subspaces.- 7. Maximal Neutral Subspaces.- S. Projections of Vectors on Subspaces.- 9. Ortho-complemented Subspaces.- 10. Dual Pairs of Subspaces.- 11. Fundamental Decompositions.- Notes to Chapter I.- II. Linear Operators in Inner Product Spaces without Topology.- 1. Linear Operators in Vector Spaces.- 2. Isometric Operators.- 3. Symmetric Operators.- 4. Cayley Transformations.- 5. Principal Vectors of Cayley Transforms.- 6. Pairs of Inner Products: Semi-boundedness.- 7. Pairs of Inner Products: Sign.- 8. Plus-operators.- 9. Pesonen Operators.- 10. Fundamental Projectors.- 11. Fundamental Symmetries. Angular Operators.- Notes to Chapter II.- III. Partial Majorants and Admissible Topologies on Inner Product Spaces.- 1. Locally Convex Topologies on Vector Spaces.- 2. Partial Majorants. The Weak Topology.- 3. Metrizable Partial Majorants.- 4. The Polar of a Normed Partial Majorant.- 5. Admissible Topologies.- 6. Orthogonal Companions and Admissible Topologies.- 7. Projections and Admissible Topologies.- 8. Intrinsic Topology.- 9. Projections and Intrinsic Topology.- Notes to Chapter III.- IV. Majorant Topologies on Inner Product Spaces.- 1. Majorants.- 2. Majorants and Metrizable Partial Majorants.- 3. Orthonormal Systems.- 4. Minimal Majorants.- 5. Majorants and Decomposability.- 6. Decomposition Majorants.- 7. Invariant Properties of E+ and E-.- 8. Subspaces of Spaces with a Hilbert Majorant.- Notes to Chapter IV.- V. The Geometry of Krein Spaces.- 1. Krein Spaces.- 2. Krein Spaces as Completions.- 3. Subspaces.- 4. Maximal Semi-definite Subspaces.- 5. Uniformly Definite Subspaces.- 6.Non-uniformly Definite Subspaces.- 7. Maximal Uniformly Definite Subspaces.- 8. Regular and Singular Subspaces.- 9. Alternating Pairs.- 10. Dissipative Operators in Hilbert Space.- Notes to Chapter V.- VI. Unitary and Selfadjoint Operators in Krein Spaces.- 1. Preliminaries.- 2. The Adjoint of an Operator.- 3. Isometric Operators.- 4. Unitary and Rectangular Isometric Operators.- 5. Spectral Properties of Unitary Operators.- 6. Selfadjoint Operators.- 7. Cayley Transformations.- 8. Unitary Dilations.- Notes to Chapter VI.- VII. Positive Operators and Plus-operators in Krein Spaces.- 1. Positive Operators.- 2. Operators of the Form T\*T.- 3. Uniformly Positive Operators.- 4. Plus-operators.- 5. Strict Plus-operators.- 6. Doubly Strict Plus-operators.- Notes to Chapter VII.- VIII. Invariant Semi-definite Subspaces of Linear Operators in Krein Spaces.- 1. Fundamentally Reducible Operators.- 2. Invariant Positive Subspaces of Plus-operators.- 3. Invariant Semi-definite Subspaces of Unitary and Selfadjoint Operators.- 4. Quadratic Pencils of Operators in Hilbert Space.- 5. Quadratic Operator Equations in I-Iilbert Space.- 6. Spectral Functions.- Notes to Chapter VIII.- IX. Pontrjagin Spaces and Their Linear Operators.- 1. The Spaces k Positive Subspaces.- 2. Closed Subspaces.- 3. Isometric Operators: Continuity.- 4. Isometric and Symmetric Operators: Number and Length of Jordan Chains.- 5. Proof of Theorem 4.3.- 6. Regular Symmetric Extensions.- 7. Invariant Positive Subspaces: Existence.- 8. Invariant Positive Subspaces: Uniqueness.- 9. Common Invariant Positive Subspaces for Commuting Operators.- Notes to Chapter IX.- Index of Terms.- Index of Symbols.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 240 pp. Englisch. …

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -R. Baer: Complementation in finite gropus.- M. Lazard: Groupes, anneaux de Lie et problème de Burnside.- J. Tits: Sur les groupes algébriques afffines. Théorèmes fondamentaux de structure. Classification des groupes semisimples et géométries associées.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 268 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Categorical methods of speaking and thinking are becoming more and more widespread in mathematics because they achieve a unifi cation of parts of different mathematical fields; frequently they bring simplifications and provide the impetus for new developments. The purpose of this book is to introduce the reader to the central part of category theory and to make the literature accessible to the reader who wishes to go farther. In preparing the English version, I have used the opportunity to revise and enlarge the text of the original German edition. Only the most elementary concepts from set theory and algebra are assumed as prerequisites. However, the reader is expected to be mathe to follow an abstract axiomatic approach. matically sophisticated enough The vastness of the material requires that the presentation be concise, and careful cooperation and some patience is necessary on the part of the reader. Definitions alway precede the examples that illuminate them, and it is assumed that the reader is familiar with some of the algebraic and topological examples (he should not let the other ones confuse him). It is also hoped that he will be able to explain the con cepts to himself and that he will recognize the motivation.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 404 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The subject. The phrase 'integral operator' (like some other mathematically informal phrases, such as 'effective procedure' and 'geometric construction') is sometimes defined and sometimes not. When it is defined, the definition is likely to vary from author to author. While the definition almost always involves an integral, most of its other features can vary quite considerably. Superimposed limiting operations may enter (such as L2 limits in the theory of Fourier transforms and principal values in the theory of singular integrals), IJ' spaces and abstract Banach spaces may intervene, a scalar may be added (as in the theory of the so-called integral operators of the second kind), or, more generally, a multiplication operator may be added (as in the theory of the so-called integral operators of the third kind). The definition used in this book is the most special of all. According to it an integral operator is the natural 'continuous' generali zation of the operators induced by matrices, and the only integrals that appear are the familiar Lebesgue-Stieltjes integrals on classical non-pathological mea sure spaces. The category. Some of the flavor of the theory can be perceived in finite dimensional linear algebra. Matrices are sometimes considered to be an un natural and notationally inelegant way of looking at linear transformations. From the point of view of this book that judgement misses something.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 156 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -A long time ago botany used to be regarded as the scientia amabilis, the friendly science, eminently suitable for leisured amateurs. Since then, and particularly in this century, it has grown tremendously in its importance and in its intimate contacts with various other disciplines of science, some of which, like plant genetics and plant physiology, at one time indeed used to be included under the broad term botany. In spite of the fact that such subjects have expanded into major scientific fields of their own, botany, the mother science, continues to maintain its central place: this is because it deals with plants which constitute one of the most vital life-supporting systems of this planet. Furthermore, interacting and benefiting from advances made in other sciences, it has steadily progressed in a number of areas. Experimental embryology of vascular plants is one such field where spectacular advances have been made in recent years. The time is therefore particularly opportune for the publication of an authoritative book on the subject. It is very appropriate that the book has been planned and edited by Professor B. M. Johri, one of India's foremost botanists, whose contributions in embryology, plant morphology and morphogenesis are internationally known. He was closely associated over a number of years with Professor P. Maheshwari, the great botanist and embryologist, to whom the book is dedicated.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 300 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The algebra of square matrices of size n ~ 2 over the field of complex numbers is, evidently, the best-known example of a non-commutative alge 1 bra ¿ Subalgebras and subrings of this algebra (for example, the ring of n x n matrices with integral entries) arise naturally in many areas of mathemat ics. Historically however, the study of matrix algebras was preceded by the discovery of quatemions which, introduced in 1843 by Hamilton, found ap plications in the classical mechanics of the past century. Later it turned out that quaternion analysis had important applications in field theory. The al gebra of quaternions has become one of the classical mathematical objects; it is used, for instance, in algebra, geometry and topology. We will briefly focus on other examples of non-commutative rings and algebras which arise naturally in mathematics and in mathematical physics. The exterior algebra (or Grassmann algebra) is widely used in differential geometry - for example, in geometric theory of integration. Clifford algebras, which include exterior algebras as a special case, have applications in rep resentation theory and in algebraic topology. The Weyl algebra (Le. algebra of differential operators with polynomial coefficients) often appears in the representation theory of Lie algebras. In recent years modules over the Weyl algebra and sheaves of such modules became the foundation of the so-called microlocal analysis. The theory of operator algebras (Le.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 248 pp. Englisch. …

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The importance of convexity arguments in functional analysis has long been realized, but a comprehensive theory of infinite-dimensional convex sets has hardly existed for more than a decade. In fact, the integral representation theorems of Choquet and Bishop -de Leeuw together with the uniqueness theorem of Choquet inaugurated a new epoch in infinite-dimensional convexity. Initially considered curious and tech nically difficult, these theorems attracted many mathematicians, and the proofs were gradually simplified and fitted into a general theory. The results can no longer be considered very 'deep' or difficult, but they certainly remain all the more important. Today Choquet Theory provides a unified approach to integral representations in fields as diverse as potential theory, probability, function algebras, operator theory, group representations and ergodic theory. At the same time the new concepts and results have made it possible, and relevant, to ask new questions within the abstract theory itself. Such questions pertain to the interplay between compact convex sets K and their associated spaces A(K) of continuous affine functions; to the duality between faces of K and appropriate ideals of A(K); to dominated extension problems for continuous affine functions on faces; and to direct convex sum decomposition into faces, as well as to integral for mulas generalizing such decompositions. These problems are of geometric interest in their own right, but they are primarily suggested by applica tions, in particular to operator theory and function algebras.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 228 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Hysteresis phenomena are common in numerous physical, mechanical, ecological and biological systems. They reflect memory effects and process irreversibility. The use of hysteresis operators (hysterons) offers an approach to macroscopic modelling of the dynamics of phase transitions and rheological systems. The applications cover processes in electromagnetism, elastoplasticity and population dynamics in particular. Hysterons are also typical elements of control systems where they represent thermostats and other discontinuous controllers with memory. The book offers the first systematic mathematical treatment of hysteresis nonlinearities. Construction procedures are set up for hysterons in various function spaces, in continuous and discontinuous cases. A general theory of variable hysterons is developed, including identification and stability questions. Both deterministic and non-deterministic hysterons are considered, with applications to the study of feedback systems. Many of the results presented - mostly obtained by the authors and their scientific group - have not been published before. The book is essentially self contained and is addressed both to researchers and advanced students.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 436 pp. Englisch. …

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Geometrical (in particular, topological) methods in nonlinear analysis were originally invented by Banach, Birkhoff, Kellogg, Schauder, Leray, and others in existence proofs. Since about the fifties, these methods turned out to be essentially the sole approach to a variety of new problems: the investigation of iteration processes and other procedures in numerical analysis, in bifur cation problems and branching of solutions, estimates on the number of solutions and criteria for the existence of nonzero solutions, the analysis of the structure of the solution set, etc. These methods have been widely applied to the theory of forced vibrations and auto-oscillations, to various problems in the theory of elasticity and fluid. mechanics, to control theory, theoretical physics, and various parts of mathematics. At present, nonlinear analysis along with its geometrical, topological, analytical, variational, and other methods is developing tremendously thanks to research work in many countries. Totally new ideas have been advanced, difficult problems have been solved, and new applications have been indicated. To enumerate the publications of the last few years one would need dozens of pages. On the other hand, many problems of non linear analysis are still far from a solution (problems arising from the internal development of mathematics and, in particular, problems arising in the process of interpreting new problems in the natural sciences). We hope that the English edition of our book will contribute to the further propagation of the ideas of nonlinear analysis.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 436 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -This monograph is an account of some problems involving diffusion or diffusion with simultaneous reaction that can be illuminated by the use of variational principles. It was written during a period that included sabbatical leaves of one of us (W. S. ) at the University of Minnesota and the other (R. A. ) at the University of Cambridge and we are grateful to the Petroleum Research Fund for helping to support the former and the Guggenheim Foundation for making possible the latter. We would also like to thank Stephen Prager for getting us together in the first place and for showing how interesting and useful these methods can be. We have also benefitted from correspondence with Dr. A. M. Arthurs of the University of York and from the counsel of Dr. B. D. Coleman the general editor of this series. Table of Contents Chapter 1. Introduction and Preliminaries . 1. 1. General Survey 1 1. 2. Phenomenological Descriptions of Diffusion and Reaction 2 1. 3. Correlation Functions for Random Suspensions 4 1. 4. Mean Free Path Statistics . 8 1. 5. Void Point-Surface Statistics . 11 1. 6. Variational Principles Applied to the Diffusion Equation. 12 1. 7. Notation. 16 Chapter 2. Diffusion Through a Porous Medium . 18 2. 1. Introduction 18 2. 2. Diffusion Through an Isotropic Porous Medium 18 2. 3. Variational Formulation for De . 20 2. 4. Bounds on De for an Isotropic Suspension 22 2. 5.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 128 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Growth of immobilized cells can be viewed as an alternative to growth of free cells in many instances. In others, immobilization confers a precision of control over the process not possible in free growth. Immobilization of cells can sometimes be considered to be a lower cost alternative to immobilization of enzymes. In this volume, immobilization procedures based on mechanical means and bonding of various types are examined, with detailed application examples. These applications include microorganisms, plant and animal cells, sub-cellular organelles and multiple enzyme systems. Particular attention is devoted to enzyme properties in immobilized cells and the properties of the carrier. The volume should provide the reader with a comprehensive overview of the subject, together with copious references. As well as serving as a research monograph, it could be used to provide reference material for a graduate course. Special thanks are due Mrs. JENNIFER KERBY for her dedicated work in the preparation of the manuscript, and IT-CHIN HSIEH for bibliographical assistance. COLIN R. PHILLIPS Toronto, July 1988 YIU C. POON v Table of Contents 1 Introduction. 1 References . 9 2 Methods of Cell Immobilization 11 2.1 Mechanical Immobilization . 11 2.1.1 Mycelial Pellet and Mat 11 2.1.2 Encapsulation . 48 2.1.3 Dialysis Culture. . . 49 2.1.4 Entrapment. . 50 2.2 Covalent Attachment 61 2.3 Ionic Attachment 62 2.3.1 Flocculation 62 2.3.2 Adsorption . 64 References . 66 3 Special Problems and Extended Applications . 75 3.1 Special Problems and Techniques .Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 176 pp. Englisch. …

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Due to the fundamental role of differential equations in science and engineering it has long been a basic task of numerical analysts to generate numerical values of solutions to differential equations. Nearly all approaches to this task involve a 'finitization' of the original differential equation problem, usually by a projection into a finite-dimensional space. By far the most popular of these finitization processes consists of a reduction to a difference equation problem for functions which take values only on a grid of argument points. Although some of these finite difference methods have been known for a long time, their wide applica bility and great efficiency came to light only with the spread of electronic computers. This in tum strongly stimulated research on the properties and practical use of finite-difference methods. While the theory or partial differential equations and their discrete analogues is a very hard subject, and progress is consequently slow, the initial value problem for a system of first order ordinary differential equations lends itself so naturally to discretization that hundreds of numerical analysts have felt inspired to invent an ever-increasing number of finite-difference methods for its solution. For about 15 years, there has hardly been an issue of a numerical journal without new results of this kind; but clearly the vast majority of these methods have just been variations of a few basic themes. In this situation, the classical text book by P.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 412 pp. Englisch. …

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -This volume contains most of the invited papers presented at the International Work shop on Synergetics, Schloss E1mau, Bavaria, May 2 to.May 7, 1977. This workshop fol lowed an International Symposium on SynergetiGS at Schloss E1mau, 1972, and an Inter national SUl11l1erschoo1 at Erice, Sicily, 1974. Synergetics is a rather new field of interdisciplinary research which studies the self-organized behavior of systems leading to the formation of structures and func tionings. Indeed the whole universe seems to be organized, with pronounced structures starting from spiral galaxies down to living cells. Furthermore, very many of the most interesting phenomena occur in systems which are far from thermal equilibrium. Synergetics in its present form focusses its attention on those phenomena where dra matic changes occur on a macroscopic scale. Here indeed Synergetics was able to re veal profound analogies between systems in different disciplines ranging from physics to sociology. This volume contains contributions from various fields but the reader will easily discover their cOl11J1on goal. Not only in the natural sciences but also in ecology, sociology, and economy, man is confronted with the problems of complex sys tems. The principles and analogies unearthed by Synergetics will certainly be very he1pfu~ to cope with such difficult problems. I use this opportunity to thank the Vo1kswagenwerk Foundation for its support of the project Synergetics and in particular for sponsoring the International Workshop on Synergetics.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 292 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Owing to the developments and applications of computer science, ma thematicians began to take a serious interest in the applications of number theory to numerical analysis about twenty years ago. The progress achieved has been both important practically as well as satisfactory from the theoretical view point. It'or example, from the seventeenth century till now, a great deal of effort was made in developing methods for approximating single integrals and there were only a few works on multiple quadrature until the 1950's. But in the past twenty years, a number of new methods have been devised of which the number theoretic method is an effective one. The number theoretic method may be described as follows. We use num ber theory to construct a sequence of uniformly distributed sets in the s dimensional unit cube G , where s ~ 2. Then we use the sequence to s reduce a difficult analytic problem to an arithmetic problem which may be calculated by computer. For example, we may use the arithmetic mean of the values of integrand in a given uniformly distributed set of G to ap s proximate the definite integral over G such that the principal order of the s error term is shown to be of the best possible kind, if the integrand satis fies certain conditions.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 260 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -This book is intended to be a detailed and carefully written account of various versions of the Littlewood-Paley theorem and of some of its applications, together with indications of its general significance in Fourier multiplier theory. We have striven to make the presentation self-contained and unified, and adapted primarily for use by graduate students and established mathematicians who wish to begin studies in these areas: it is certainly not intended for experts in the subject. It has been our experience, and the experience of many of our students and colleagues, that this is an area poorly served by existing books. Their accounts of the subject tend to be either ill-suited to the needs of a beginner, or fragmentary, or, in one or two instances, obscure. We hope that our book will go some way towards filling this gap in the literature. Our presentation of the Littlewood-Paley theorem proceeds along two main lines, the first relating to singular integrals on locally com pact groups, and the second to martingales. Both classical and modern versions of the theorem are dealt with, appropriate to the classical n groups IRn, L , Tn and to certain classes of disconnected groups. It is for the disconnected groups of Chapters 4 and 5 that we give two separate accounts of the Littlewood-Paley theorem: the first Fourier analytic, and the second probabilistic.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 228 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -1 Fundamental Considerations.- 2 Chemistry of Trimethylsilyl Cyanide.- 3 Trimethylsilyl Iodide and Bromide.- 4 Silyl Azides.- 5 Silyl Nitronates.- 6 Peterson Reaction.- 7 Vinyl Silanes.- 8 Aryl Silanes.- 9 Silyl Acetylenes.- 10 Tetraalkylsilanes, Alkylpentafluorosilicates and Alkenylpentafluorosilicates.- 11 Allylic Silanes.- 12 Electrophilic Reactions of Silyl Enol Ethers.- 13 Oxidation of Silyl Enol Ethers.- 14 Cyclopropanation of Silyl Enol Ethers, Chemistry of Trimethylsilyloxycyclopropanes.- 15 Cycloaddition and Electrocyclic Reactions of Silyl Enol Ethers.- 16 Preparation of Silyl Enol Ethers.- 17 Ionic Hydrogenations.- 18 Reduction of Polar Multiple Bonds of Hydrosilation.- 19 Dissolving Metal Reductions.- 20 Miscellaneous Reductions.- 21 Silicon-Sulfur.- 22 Silicon-Phosphorous.- 23 Silyl Oxidants.- 24 Silyl Bases.- 25 Silicon-Fluorine.- Author Index.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 452 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The object of this book is a presentation of the major results relating to two geometrically inspired problems in analysis. One is that of determining which metric spaces can be isometrically embedded in a Hilbert space or, more generally, P in an L space; the other asks for conditions on a pair of metric spaces which will ensure that every contraction or every Lipschitz-Holder map from a subset of X into Y is extendable to a map of the same type from X into Y. The initial work on isometric embedding was begun by K. Menger [1928] with his metric investigations of Euclidean geometries and continued, in its analytical formulation, by I. J. Schoenberg [1935] in a series of papers of classical elegance. The problem of extending Lipschitz-Holder and contraction maps was first treated by E. J. McShane and M. D. Kirszbraun [1934]. Following a period of relative inactivity, attention was again drawn to these two problems by G. Minty's work on non-linear monotone operators in Hilbert space [1962]; by S. Schonbeck's fundamental work in characterizing those pairs (X,Y) of Banach spaces for which extension of contractions is always possible [1966]; and by the generalization of many of Schoenberg's embedding theorems to the P setting of L spaces by Bretagnolle, Dachuna Castelle and Krivine [1966].Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 124 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -This book is written by a mathematician and a theoretical biologist who have arrived at a good mutual understanding and a well worked-out common notation. The reader need hardly be convinced of the necessity of such a mutual understanding, not only for the two investigators, but also for the sciences they represent. Like Moliere's hero, geneticists are gradually beginning to understand that, unknowingly, they have been speaking in the language of cybernetics. Mathematicians are unexpec tedly discovering that many past and present problems and methods of genetics can be naturally formulated in the language of graph theory. In this way a powerful abstract mathematical theory suddenly finds a productive application. Moreover, in its turn, such an application be gins to 'feed' the mathematical theory by presenting it with a number of new problems. The reader may judge for himself the fruitfulness of such mutual interaction. At the same time several important circumstances need to be men tioned. The formalization and rigorous formulation given here embraces not only the older problems, known by geneticists for many decades (the construction of genetic maps, the analysis of complementation, etc. ), but also comparatively new problems: the construction of partial com plementation maps, phylogenetic trees of proteins, etc.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 220 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -When I first considered writing a book about multipliers, it was my intention to produce a moderate sized monograph which covered the theory as a whole and which would be accessible and readable to anyone with a basic knowledge of functional and harmonic analysis. I soon realized, however, that such a goal could not be attained. This realization is apparent in the preface to the preliminary version of the present work which was published in the Springer Lecture Notes in Mathematics, Volume 105, and is even more acute now, after the revision, expansion and emendation of that manuscript needed to produce the present volume. Consequently, as before, the treatment given in the following pages is eclectric rather than definitive. The choice and presentation of the topics is certainly not unique, and reflects both my personal preferences and inadequacies, as well as the necessity of restricting the book to a reasonable size. Throughout I have given special emphasis to the func tional analytic aspects of the characterization problem for multipliers, and have, generally, only presented the commutative version of the theory. I have also, hopefully, provided too many details for the reader rather than too few.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 312 pp. Englisch.…

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -This monograph deals with some of the latest results in nonlinear mechanics, obtained recently by the use of a modernized version of Bogoljubov's method of successive changes of variables which ensures rapid convergence. This method visualised as early as 1934 by Krylov and Bogoljubov provides an effective tool for solving many interesting problems of nonlinear mechanics. It led, in particular, to the solution of the problem of the existence of a quasi periodic regime, with the restriction that approximate solutions obtained in the general case involved divergent series. Recently, making use of the research of Kolmogorov and Arno'ld, Bogoljubov has modernised the method of successive substitutions in such a way that the convergence of the corresponding expansions is ensured. This book consists of a short Introduction and seven chapters. The first chapter presents the results obtained by BogoIjubov in 1963 on the extension of the method of successive substitutions and the study of quasi periodic solutions applied to non-conservative systems (inter alia making explicit the dependence of these solutions on the parameter, indicating methods of obtaining asymptotic and convergent series for them, etc.).Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 300 pp. Englisch.…