Springer springer mai 1987 (182 resultados)
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Taschenbuch. Condición: Neu. Neuware - In this book specialists address the main problems facing Gorbachev and are cautiously optimistic about his chances of modernising the USSR. It is absolutely essential that results in 1986 and 1987 are good otherwise he will face failure. He has been faced with serious problems in coming to… power; how has he fared.
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Buch. Condición: Neu. Neuware - This volume of the Sociology of the Sciences Yearbooks stems from our experience that collaborations between non-scientists and scientists, often initiated by scientists seeking greater social relevance for science, can be of major importance for cognitive development. It seemed to us that it woul…d be useful to explore the conditions under which such collaborations affect scientific change and the nature of the processes involved. This book therefore focuses on a number of instances in which scientists and non-scientists were jointly involved in the genera tion of scientific results at the 'interface' of science and society. Despite the considerable variety of cases reported here, a number of questions are central. Under what conditions do such cooperative processes occur What perceptions of social relevance and what sorts of col laborations with non-scientific groups are involved How is this collaboration achieved, and through what forums How can insights into its conditions and mechanisms stabilize such cooperations over a longer period of time If they are stabilized, do they really affect science, or do they mainly function to shield the rest of the science system against external influences These questions are pertinent both to intellectual problems in the sociology of science and to the practical concerns of modern science policies. The significance of relations between knowledge producers and knowledge consumers and interest in how these relations affect science and society have changed considerably in recent decades.
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Buch. Condición: Neu. Neuware.
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Buch. Condición: Neu. Neuware.
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Idioma: Inglés
Editorial: Springer Us Mai 1987, 1987
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Buch. Condición: Neu. Neuware - Cancers of the head and neck are among the most morbid of cancers. Convention al surgery and/or radiation therapy have a high cure rate for patients with early stage disease. However, despite optimal treatment with surgery and radiotherapy, patients with nodal spread or extensive local disease hav…e a low cure rate. Even if a cancer is cured, a patient is often left with long-term debilities from the treatment and/or cancer. The major causes for decreased survival in patients with advanced head and neck cancer include local recurrence, distant metastases, and second primaries. All of these need to be addressed if one is to improve upon the curability of advanced disease. There are several new techniques, surgical and radiotherapeutic, designed to improve local control. Brachytherapy, or interstitial implantation, delivers a high dose of localized radiation with minimal normal tissue injury. This technique as discussed by Goffinet, may be even more efficacious when combined with hyperthermia. New, creative methods of radiation therapy delivery, such as the use of multiple fractions per day, as discussed by Parsons and Million, are also contributing to long-term local control. Laser therapy, discussed by Ossoff and Nemeroff, provides another tool for treatment of local disease.
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Idioma: Inglés
Editorial: Springer Us Mai 1987, 1987
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Buch. Condición: Neu. Neuware - Where do you begin to look for a recent, authoritative article on the diagnosis or management of a particular malignancy The few general oncology textbooks are generally out of date. Single papers in specialized journals are informative but seldom comprehensive; these are more often preliminary re…ports on a very limited number of patients. Certain general journals frequently publish good indepth reviews of cancer topics, and published symposium lectures are often the best overviews available. Unfortunately, these reviews and supplements appear spo radically, and the reader can never be sure when a topic of special interest will be covered. Cancer Treatment and Research is a series of authoritative volumes which aim to meet this need. It is an attempt to establish a critical mass of oncology literature covering virtually all oncology topics, revised frequently to keep the coverage up to date, easily available on a single library shelf or by a single personal subscription. We have approached the problem in the following fashion. First, by dividing the oncology literature into specific subdivisions such as lung cancer, genitourina ry cancer, pediatric oncology, etc. Second, by asking eminent authorities in each of these areas to edit a volume on the specific topic on an annual or biannual basis. Each topic and tumor type is covered in a volume appearing frequently and predictably, discussing current diagnosis, staging, markers, all forms of treatment modalities, basic biology, and more.
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Buch. Condición: Neu. Neuware - The study of electromagnetic bioeffects is multidisciplinary; it draws heavily from the disciplines of physics, engineering, mathematics, biol ogy, chemistry, medicine, and environmental health. This book is about these disciplines and how they mutually integrate in the study of electromagnetic pa…thophysiology. Over aperiod of years, the authors have become increasingly aware of the difficulty in locating information concerning interaction of electro magnetic energy and biological tissues. There are numerous reports and publications, but no single comprehensive source in the American literature where such information is readily accessible. Regrettably, much of the importantinformation is contained in government documents and reports, some of which are inaccessible, or spread through many diverse journals, making retrieval and analysis of the material difficult. Although this book is primarily clinically oriented, it also focuses on those biophysical, biochemical, and fundamental molecular studies and findings that provide the basis for understanding the presence or absence of pathophysiological manifestations of exposure to radiofrequency, including microwave, energies. Detailed discussion and analysis of the relevant comprehensive physics, engineering, and biophysics are con tained in Chapters 2-5. Because the treatment is multidisciplinary, wherever possible analy sis is begun with basic background information that may appear elementary to some readers but is essential to understanding for those from a different discipline. Most confusion and controversies that exist in the field today arise from individuals of one discipline not appreciating basic facts or theories from another.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The main result of this original research monograph is the classification of C\*-algebras of ordinary foliations of the plane in terms of a class of -trees. It reveals a close connection between some most recent developments in mode…rn analysis and low-dimensional topology. It introduces noncommutative CW-complexes (as the global fibred products of C\*-algebras), among other things, which adds a new aspect to the fast-growing field of noncommutative topology and geometry. The reader is only required to know basic functional analysis. However, some knowledge of topology and dynamical systems will be helpful. The book addresses graduate students and experts in the area of analysis, dynamical systems and topology. 176 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The goal of this research monograph is to derive the analytic continuation and functional equation of the L-functions attached by R.P. Langlands to automorphic representations of reductive algebraic groups. The first part of the boo…k (by Piatetski-Shapiro and Rallis) deals with L-functions for the simple classical groups; the second part (by Gelbart and Piatetski-Shapiro) deals with non-simple groups of the form G GL(n), with G a quasi-split reductive group of split rank n. The method of proof is to construct certain explicit zeta-integrals of Rankin-Selberg type which interpolate the relevant Langlands L-functions and can be analyzed via the theory of Eisenstein series and intertwining operators. This is the first time such an approach has been applied to such general classes of groups. The flavor of the local theory is decidedly representation theoretic, and the work should be of interest to researchers in group representation theory as well as number theory. 164 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The original idea of the organizers of the Washington Symposium was to span a fairly narrow range of topics on some recent techniques developed for the investigation of nonlinear partial differential equations and discuss these in a… forum of experts. It soon became clear, however, that the dynamical systems approach interfaced significantly with many important branches of applied mathematics. As a consequence, the scope of this resulting proceedings volume is an enlarged one with coverage of a wider range of research topics. 196 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -For a vector field 3, where Ai are series in X, the algebraic multiplicity measures the singularity at the origin. In this research monograph several strategies are given to make the algebraic multiplicity of a three-dimensional vec…tor field decrease, by means of permissible blowing-ups of the ambient space, i.e. transformations of the type xi=x'ix1, 2is, xi=x'i, is. A logarithmic point of view is taken, marking the exceptional divisor of each blowing-up and by considering only the vector fields which are tangent to this divisor, instead of the whole tangent sheaf. The first part of the book is devoted to the logarithmic background and to the permissible blowing-ups. The main part corresponds to the control of the algorithms for the desingularization strategies by means of numerical invariants inspired by Hironaka's characteristic polygon. Only basic knowledge of local algebra and algebraic geometry is assumed of the reader. The pathologies we find in the reduction of vector fields are analogous to pathologies in the problem of reduction of singularities in characteristic p. Hence the book is potentially interesting both in the context of resolution of singularities and in that of vector fields and dynamical systems. 200 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The DD6 Symposium was, like its predecessors DD1 to DD5 both a research symposium and a summer seminar and concentrated on differential geometry. This volume contains a selection of the invited papers and some additional contributio…ns. They cover recent advances and principal trends in current research in differential geometry. 256 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -These notes will be useful and of interest to mathematicians and physicists active in research as well as for students with some knowledge of the abstract theory of operators in Hilbert spaces. They give a complete spectral theory f…or ordinary differential expressions of arbitrary order n operating on -valued functions existence and construction of self-adjoint realizations via boundary conditions, determination and study of general properties of the resolvent, spectral representation and spectral resolution. Special attention is paid to the question of separated boundary conditions, spectral multiplicity and absolutely continuous spectrum. For the case nm=2 (Sturm-Liouville operators and Dirac systems) the classical theory of Weyl-Titchmarch is included. Oscillation theory for Sturm-Liouville operators and Dirac systems is developed and applied to the study of the essential and absolutely continuous spectrum. The results are illustrated by the explicit solution of a number of particular problems including the spectral theory one partical Schrödinger and Dirac operators with spherically symmetric potentials. The methods of proof are functionally analytic wherever possible. 312 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -All the papers in this volume are research papers presenting new results. Most of the results concern semi-simple Lie groups and non-Riemannian symmetric spaces: unitarisation, discrete series characters, multiplicities, orbital int…egrals. Some, however, also apply to related fields such as Dirac operators and characters in the general case. 316 pp. Englisch, Französisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The focal topic of the 14th International Conference on Differential Geometric Methods was that of mathematical problems in classical field theory and the emphasis of the resulting proceedings volume is on superfield theory and rela…ted topics, and classical and quantized fields. 308 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This volume contains the proceedings of the Second International Conference on Rewriting Techniques and Applications, 'RTA 87', held in Bordeaux, France, May 1987. 296 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Interaction of radially smooth nonlinear waves.- Toeplitz operators and function theory in n-dimensions.- Index theory for regular singular operators and applications.- The Laplace comparison algebra of spaces with conical and cylin…drical ends.- Weyl's formula for a class of pseudodifferential operators with negative order on L2(Rn).- Normal solvability of boundary value problems in half space.- A remark on Taniguchi-Kumanogo theorem for product of fourier integral operators.- On the analytic regularity of weak solutions of analytic systems of conservation laws with analytic data.- Complex powers of pseudo-differential boundary value problems with the transmission property.- Some spectral properties of periodic potentials.- The lifespan of classical solutions of non-linear hyperbolic equations.- Gevrey-hypoellipticity and pseudo-differential operators on Gevrey class.- Propagation of the second analytic wave front set along diffractive rays.- Boundary regularity for one-sided solutions of linear partial differential equations with analytic coefficients.- Estimates for the norm of pseudo-differential operators by means of Besov spaces.- On sufficient conditions for pseudo-differential operators to be Lp-bounded.- Spaces of weighted symbols and weighted sobolev spaces on manifolds.- Mellin expansions of pseudo-differential operators and conormal asymptotics of solutions.- Semiclassical resonances generated by non-degenerate critical points.- Remarks on an inverse boundary value problem.- Propagation of quasi-homogeneous microlocal singularities of solutions to nonlinear partial differential equations.- Selberg trace formulae, PDO's and equidistribution theorems for closed geodesics and laplace eigenfunctions. 500 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Learning translation invariant recognition in a massively parallel networks.- Trace theory and systolic computations.- Boltzmann machines and their applications.- Cobweb-2: Structured specification of a wafer-scale supercomputer.- A… novel deadlock free and starvation free packet switching communication processor.- A parallel architecture for signal understanding through inference on uncertain data.- An axiomatic approach to the specification of distributed computer architectures.- Computing on a systolic screen: Hulls, contours and applications.- Multiprocessor systems programming in a high-level data-flow language.- The twisted cube.- An implemented method for incremental systolic design.- The use of parallel functions in system design.- The translation of processes into circuits.- Mapping strategies in message based multiprocessor systems.- Hardware memory management for large knowledge bases.- Transputer-based experiments with the ZAPP architecture.- Synthesis of systolic arrays for inductive problems.- Practical parallelism using transputer arrays.- Systolic array synthesis by static analysis of program dependencies.- Specification of a pipelined event driven simulator using FP2.- A layered emulator for design evaluation of MIMD multiprocessors with shared memory.- The Alliant FX/Series: A language driven architecture for parallel processing of dusty deck fortran.- Emulating digital logic using transputer networks (very high parallelism = simplicity = performance).- A two-level approach to logic plus functional programming integration.- Overview of a parallel reduction machine project.- An overview of DDC: Delta driven computer.- Design and implementation of a parallel inference machine for first order logic: an overview.- Multi-level simulator for VLSI.- The DOOM system and its applications: A survey of esprit 415 subproject A, philips research laboratories. 500 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Executing a program on the MIT Tagged-Token Dataflow architecture.- PARLOG: The language and its applications.- Functional programming and communicating processes.- Garbage collection in a distributed environment.- Decidability of b…isimulation equivalence for processes generating context-free languages.- An approach to programming process interconnection structures: Aggregate rewriting graph grammars.- Specifying functional and timing behavior for real-time applications.- Term graph rewriting.- Towards an intermediate language based on Graph Rewriting.- Distributed garbage collection using reference counting.- Rigorous development of a distributed calendar system.- A reduction semantics for imperative higher-order languages.- Petri net models for algebraic theories of concurrency.- A computational model for distributed systems using operator nets.- Design and proof of communicating sequential processes.- Parallel programming in Temporal Logic.- 'Ruth: A functional language for real-time programming'.- A compositional proof theory for real-time distributed message passing.- STREAM: A scheme language for formally describing digital circuits.- A fully abstract semantics for data flow nets.- The concurrent assignment representation of synchronous systems.- A new and efficient implementation of multiprocess synchronization.- Rewriting techniques for the temporal analysis of communicating processes.- Optimistic and-parallelism in Prolog.- An efficient garbage collection scheme for parallel computer architectures.- Task sequencing language for specifying distributed Ada systems TSL-1. 484 pp. Englisch.
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Idioma: Inglés
Editorial: Springer Berlin Heidelberg Mai 1987, 1987
Serie: Libro 67 de 126 - Lecture Notes in Economics and Mathematical Systems
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Organization design has been discussed by many authors in management and organization theory. They have obtained intuitive and prescriptive propositions appealing that the best organization design is contingent on the environmental…conditions. But their studies, called contingency theory, are mostly based on empirical research. Most of the 'propositions' are drawn as only inferences from the results of them. On the other hand, decision theoretic models of 'organizations' in the stochastic environment have been studied by some economists and management scientists independently of contingency theory. In this book, important aspects of organization design problems are formulated as statistical decision problems in the framework of management and organization theory. Part One of this book analyzes a short-run adaptive problems of the organization design. Part One contains an expanded exposition of the ideas and results published in the professional journals, and I would like to thank the anonymous reviewers of the following journals: Behaviormetrika, Human Relations, Behavioral Science. Part Two of this book considers a long-run adaptive process in the organization, and has not previously been published in its IV present form, although a version of this part is to appear in Journal of the Department of Liberal Arts, March 1987, The University of Tokyo. The resul ts of Part One and Part Two are supported by the empirical research on Japanese firms in Part Three. This research was financially supported by Nippon Telegraph and Telephone Public Corporation (NTT). I acknowledge this gratefully. 152 pp. Englisch.
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Idioma: Inglés
Editorial: Springer Berlin Heidelberg, Springer Berlin Heidelberg Mai 1987, 1987
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Petri Nets represent a long and sustained effort to develop concepts, theories and tools to aid in design and analysis of concurrent systems. They are used in many areas of computer science including software engineering, data base…and in formation systems, computer architecture and operating systems, communication protocols and computer networks, process control, and socio-technical systems such as office communication and man-machine interaction. Quite substantial theory has been developed for Petri Nets. It reflects all major problem areas of concurrent distributed systems and covers many successfully applied principles and analysis techniques for systems organisation. Since the time that C. A. Petri has presented his original ideas, a rich body of knowledge has been developed-a recent bibliography (in Advances in Petri Nets 1981) includes more than 2000 entries. Already in 1979 an Advanced Course on Petri Nets was organized in Hamburg, West Germany, aiming at systematizing the existing knowledge and making it well accessible to a wide audience of computer scientists interested in theory and applications of concurrent systems. This course has turned out to be successful in the sense that it has initiated a lot of new research into applications and theory of Petri Nets. This had led to another Advanced Course in 1986 in Bad Honnef, West Germany - where during two weeks more than 30 lectures were presented covering the most important current developments in the area of Petri Nets. 496 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Operations research aims to assist managers faced with problems of coordinating activities; improving the quality of care of services delivered; making optimal resource allocation decisions and generally, managing services and insti…tutions. Operations research (or O.R.) was originally developed in response to the problems of the second World War. It was characterised then by a unifying and clear objective; clear problems that had to be solved and the use of inter-disciplinary teams to analyse and solve identified problems. This analysis often drew on mathematical techniques. After the war, operations research moved in two separate but related directions. In England, the emphasis on inter-disciplinary approaches and problem solving teams remained. The operations researcher still used mathematical techniques but these were not systematised into a volume of standard formulae. The emphasis of operations research was on the approach not the tools used (see, for example, Luckman & Stringer, 1974; also Luck, Luckman, Smith & Stringer 1971; and McLachlan, 1975). In the United States, the emphasis was placed on the use of mathematical techniques. Operations research became a mathematically based science relying on standardised models (e. g. queuing, allocation) and formulae. This approach was facilitated by the availability of computers. 176 pp. Englisch.
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Idioma: Inglés
Editorial: Springer Berlin Heidelberg, Springer Berlin Heidelberg Mai 1987, 1987
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The present volume is the second of two parts which constitute the proceedings of the 1986 Advanced Course on Petri Nets in Bad Honnef. It discusses tools supporting the design of petri nets as well as their modification and analysi…s, presents a variety of applications, and covers the relationship of petri nets to other concurrency models. These current issues of the 'Advances in Petri Nets' present the most significant recent results in the application and theory of petri nets to the broad computer science community. They particularly address those who are: - interested in systems design and would like to learn to use petri nets, - familiar with subareas of the theory or the applications of nets and wish to become acquainted with the whole area, - interested in learning about recent results presented within a unified framework, - going to learn about successfully applying petri nets in - various practical situations, - interested in the relationship of petri nets to other models of concurrent systems. 532 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Deals with the computer simulation of complex physical sys-tems encounteredin condensed-matter physics and statisticalmechanics as well as in related fields such as metallurgy,polymer research,lattice gauge theory and quantummechani…cs. 360 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -On 26 September 1936, deep in the night, the Dutch cabinet took the decision to cut the guilder's link with gold and to devalue its currency. It was the last of the increasingly isolated and beleaguered 'gold bloc' countries to do s…o, having outlasted Switzerland by less than a day; the last country in Europe in which holders of a currency could exchange it for gold at the rate which had prevailed before the First World War; the last country to leave the gold standard. The reason why the 'Gold Bloc', which in September 1936 comprised only France, Switzerland and the Netherlands, should have hung on so long is something of a puzzle to historians since it has become virtually axiomatic that their recoveries would have begun sooner and proceded more strongly had they cut the link with gold and devalued their currencies much earlier. The fact that the decision not to do so has been seen as perverse, combined with the fact that in order to cope with the consequences of that decision governments chose to adopt deflationary policies to 'correct' the economy, has led historians for a long time to dismiss a whole generation of politicians and their' advisors' as stubborn, conservative and short-sighted. The Keynesian revolution and the long post-war economic boom had consigned them and their ilk to the dustbin of history for ever. 232 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The completion of this thesis gives me feelings of satisfaction and thankfulness. Satisfaction because its results appear to be worthwile and relevant, and thankfulness towards so many persons who contributed to the progress of the…work. The project 'Analysis of multilevel decisions' was granted by the common research pool of Tilburg University and Eindhoven University of Techno logy (Samenwerkingsorgaan Brabantse Universiteiten). During the 4-year lead time, the Department of Econometrics of Tilburg University provided not only a single room but also a pleasant and inspiring environment, for which I am very grateful. The research itself, particularly the inevitable scientific struggles, was perfectly coached by my promotors, Prof. Dr. P.A. Verheyen and Prof. Dr. J.F. Benders. I cannot give even the slightest description of the unique way in which they managed to do this. In all criticism they succeeded to maintain a positive, and thus stimulating, working atmosphere. The work also benefited from the suggestions gi ven by Prof. Dr. Th.M.A. Bemelmans, Prof. Dr. J.P.C. Kleijnen, Prof. Dr. P.H.M. Ruys and Prof. Dr. A. Schrijver. Furthermore I am indebted to Dr. Adam Wofniak (Warsaw University of Technology), who made me participate in his multi level experience and critically commented on an earlier draft of the thesis. 188 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -An Overview for the General Reader The fact that silicone rubber boots made those footprints on the moon, and that other silicone polymers made possible the construc tion and functioning of space suits and space vehicles, has led to… the general belief that silicones are very modem materials conjured up to meet the needs of space travel. Actually, though, silicone chemis try has deep roots in human history, dating from the dawn of the race and extending through all of geology, mineralogy, and the ancient ceramic arts. This little book seeks to put the development of silicone materials in perspective as part of the fascinating involvement of the element silicon in our daily lives, from the stuff the earth and the moon are made of to the modem use of ultra pure silicon in transistors and computers, and the use of ordi nary elementary silicon to make silicone rubber, silicone oil, sili cone resins, and silicon or silicone-containing polishes, drugs, and fragrances. Of course these are not our only connections with silicon. The natural compounds of silicon and oxygen (the silicates) are the starting materials for making bricks, tile, cement, glass, and a host of modem ceramic products. The widespread usefulness of silicon and its compounds comes about for two reasons: first, there is so much of it, and second, it is so versatile. 196 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This book examines the geometrical notion of orthogonality, and shows how to use it as the primitive concept on which to base a metric structure in affine geometry. The subject has a long history, and an extensive literature, but wh…atever novelty there may be in the study presented here comes from its focus on geometries hav ing lines that are self-orthogonal, or even singular (orthogonal to all lines). The most significant examples concern four-dimensional special-relativistic spacetime (Minkowskian geometry), and its var ious sub-geometries, and these will be prominent throughout. But the project is intended as an exercise in the foundations of geome try that does not presume a knowledge of physics, and so, in order to provide the appropriate intuitive background, an initial chapter has been included that gives a description of the different types of line (timelike, spacelike, lightlike) that occur in spacetime, and the physical meaning of the orthogonality relations that hold between them. The coordinatisation of affine spaces makes use of constructions from projective geometry, including standard results about the ma trix represent ability of certain projective transformations (involu tions, polarities). I have tried to make the work sufficiently self contained that it may be used as the basis for a course at the ad vanced undergraduate level, assuming only an elementary knowledge of linear and abstract algebra. 204 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Soil-plant relationships once had a limited meaning. To the student of agriculture it meant creating optimum conditions for plant growth. To the ecologist it meant explaining some plant community distribu tion patterns by correlatio…n with soil type or conditions. This dual view has been greatly expanded at an academic level by the discovery of the ecosystem as a practical working unit. A flood of concepts and information subsequently emerged from the International Biological Programme. At a totally different level of resolution, it is appreciated that certain soil-based ecological problems have a molecular basis, and must be addressed by physiological or biochemical approaches. From ecosystem to molecule we have powerful new tools to increase the flow of ecological data and process it for interpretation. Society is now experiencing a series of adverse global phenomena which demand an appreciation of soil-plant relationships. These include desertification leading to famine, soil degradation accom panying forest destruction, acidification of watersheds and the spasmodic dispersal of radionuclides and other pollutants. It is public policy, not merely to identify problems, but to seek strategies for minimising their ill effects. This book is written as a guide to soil-plant relationships, cen trally oriented towards ecology, but of interest to students of geo graphy and agriculture. For ecology students it will bring together subfields such as microbiology, plant physiology, systematics and pro vide interfaces with animal biology, meteorology and soil science. 304 pp. Englisch.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This monograph represents the first two parts of the author's research on the generalization of class field theory for the noncommutative case. Part I concentrates on the construction of all the irreducible representations of a mult…iplicative group B\* of a quaternion algebra B over a local field k with residue field of characteristic 2. These results are of considerable significance in the light of the connections found by Jacquet-Langlands between representations of GL2 (k) and B\* and although they concern GL2 they also provide a model for GLn. Part II deals with n 2 unifying results previously obtained by Weil, Jacquet-Langlands, Bernstein-Zelevinskii, Deligne-Kazdan and others. More than a mere comparison of these results, it reveals an intrinsic correspondence found with the aid of the base restriction process of algebraic groups and the substitution of division of algebras for Cartan subalgebras. The approach is purely local and therefore may be applied also to other types of reductive groups, in particular Sp2l as well as to archimedean cases. This book will be of great interest to researchers and graduate students working in algebraic number theory and automorphic forms. 212 pp. Französisch.
