Springer aug 1994 (233 Ergebnisse)
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Buch. Zustand: Neu. Neuware - Transplantation of the Heart and HeartLungs (N.E. Shumway). Physiologic Principles and Clinical Use of Hypothermia (L.K. Davis, R.F. Davis). Anesthetic Evaluation and Management in Bloodless Surgery (N.S. Faithfull). Normothermic Mycocardial Preservation, an Optimal Approach for Myocardial Protectio…n During All Forms of OpenHeart Surgery (R.E. Engelman et al.). Pharmacologic Manipulations to Minimize Bloodloss in Cardiac Surgery (A.C. Cernaianu, A.J. DelRossi). Sutureless Intraluminal Ring Grafts for Aortic Replacement (G.M. Lemole). Immunologic Consequences of Transfusion (P.I. Tartter). Traumatic Rupture of the Thoracic Aorta (R.C. Camishion, J.B. Alexander). Cardiomyoplasty (R.C.J. Chiu). Current Status of Autotransfusion (R.A. Vertrees, A.C. Cernaianu). Transesophageal Echocardiology (W.H. O'Connor). The Use of Circulatory Support in Cardiac Surgery (R.L. Kormos). 9 additional articles. Index.
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Buch. Zustand: Neu. Neuware - Mathematical morphology (MM) is a theory for the analysis of spatial structures. It is called morphology since it aims at analysing the shape and form of objects, and it is mathematical in the sense that the analysis is based on set theory, topology, lattice algebra, random functions, etc. MM is not… only a theory, but also a powerful image analysis technique. The purpose of the present book is to provide the image analysis community with a snapshot of current theoretical and applied developments of MM. The book consists of forty-five contributions classified by subject. It demonstrates a wide range of topics suited to the morphological approach.
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Buch. Zustand: Neu. Neuware - In this Symposium, researchers specializing in pulsation, rotation, magnetic fields and stellar winds are brought together for the first time in order to broaden our understanding of O and B stars. Thanks to advances in digital spectroscopy, new types of pulsating B stars have been discovered. The p…ulsations can be understood in terms of the recent revision of metal opacities, but the effects of rapid rotation and magnetic fields need further study. Observations in the UV and X-ray regions demonstrate that many B and Be stars show other activity, besides pulsation which is not yet understood. The reason for the enhanced mass loss in Be stars is a question which dominates the Symposium and which remains unanswered, although it is surely to be found in activity at or near the photosphere coupled with rotation. It is shown that the geometry of the circumstellar envelopes around Be stars is indeed a flattened disk as they can now be optically resolved. The variability of radiatively-driven winds from O and B stars are likely related to the rotation of the star. This underlines the central theme of the book: that the various phenomena seen in these stars cannot be studied in isolation.
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Buch. Zustand: Neu. Neuware - Outstanding progress in near-infrared detection technology and in real-time image processing has led astronomers to start undertaking all-sky surveys in the 1--2 mum range (project DENIS in Europe and 2MASS in the U.S.A.), surveys which will have a considerable impact in various areas of astronomy.…This book gathers the contributions of more than 80 specialists involved in fields of interest as different as low mass stars, late stages of stellar evolution, star formation, stellar populations of the Galaxy and the Magellanic Clouds, the local structure of the Universe, and observational cosmology. It describes the impact on these fields of the exhaustive data bases and catalogs of stars and galaxies that these surveys will provide. The considerable interest of these documents for the future of infrared space and ground-based projects and the complementarity with other currently ongoing or planned surveys in other spectral ranges are emphasized.
Sprache: Englisch
Verlag: Springer Aug 1994 1994
Serie: International Archives of the History of Ideas Archives internationales d'histoire des idées, Buch 55 von 111. Buch 55 von 111 - International Archives of the History of Ideas Archives internationales d'histoire des idées
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Buch. Zustand: Neu. Neuware - The present volume owes its ongm to a Colloquium on 'Alchemy and Chemistry in the Sixteenth and Seventeenth Centuries', held at the Warburg Institute on 26th and 27th July 1989. The Colloquium focused on a number of selected themes during a closely defined chronological interval: on the relation of…alchemy and chemistry to medicine, philosophy, religion, and to the corpuscular philosophy, in the sixteenth and seventeenth centuries. The relations between Medicina and alchemy in the Lullian treatises were examined in the opening paper by Michela Pereira, based on researches on unpublished manuscript sources in the period between the 14th and 17th centuries. It is several decades since the researches of R.F. Multhauf gave a prominent role to Johannes de Rupescissa in linking medicine and alchemy through the concept of a quinta essentia. Michela Pereira explores the significance of the Lullian tradition in this development and draws attention to the fact that the early Paracelsians had themselves recognized a family resemblance between the works of Paracelsus and Roger Bacon's scientia experimentalis and, indeed, a continuity with the Lullian tradition.
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Buch. Zustand: Neu. Neuware - Mixed-Mode Simulation and Analog Multilevel Simulation addresses the problems of simulating entire mixed analog/digital systems in the time-domain. A complete hierarchy of modeling and simulation methods for analog and digital circuits is described. Mixed-Mode Simulation and Analog Multilevel Simula…tion also provides a chronology of the research in the field of mixed-mode simulation and analog multilevel simulation over the last ten to fifteen years. In addition, it provides enough information to the reader so that a prototype mixed-mode simulator could be developed using the algorithms in this book. Mixed-Mode Simulation and Analog Multilevel Simulation can also be used as documentation for the SPLICE family of mixed-mode programs as they are based on the algorithms and techniques described in this book.
Sprache: Englisch
Verlag: Springer Nature B.V. Aug 1994 1994
Serie: Studies in Linguistics and Philosophy, Buch 15 von 46. Buch 15 von 46 - Studies in Linguistics and Philosophy
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Buch. Zustand: Neu. Neuware - Part I of this book presents a theory of modal metaphysics in the possible-worlds tradition. `Worlds' themselves are understood as structured sets of properties; this `Ersatzist' view is defended against its most vigorous competitors, Meinongianism and David Lewis' theory of existent concrete worlds…. Related issues of essentialism and linguistic reference are explored. Part II takes up the question of lexical meaning in the context of possible-world semantics. There are skeptical analyses of analyticity and the notion of a logical constant; and an `infinite polysemy' thesis is defended. The book will be of particular interest to metaphysicians, possible-world semanticists, philosophers of language, and linguists concerned with lexical semantics.
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Buch. Zustand: Neu. Neuware - TQM AND TAYLORISM; HOW THEY COMPARE H. Bremer Preface The industrial world today is divided between two camps: a culture based on the principles of Total Quality Management (TQM), developed in the Far East, and one still strongly influenced by the origins of 'Scientific Management', intro duced in t…he West by F.W. Taylor and others at the turn of the century. This divergence will be shown to have arisen in the last forty years, long enough for a new generation of managers and corresponding culture to emerge. The two cul tures are so deeply entrenched that it is difficult for one to change to the other. However, there is strong evidence to support the contention that people-oriented TQM is superior, and those companies clinging to Taylor models now face diffi cult decisions. Actions by Taylor-companies to move to TQM rnight weH be hindered rather than helped by applying present Quality Assurance Standards, developed by Taylor-oriented national and international Standards Institutions.
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Buch. Zustand: Neu. Neuware - Angiogenesis is a multistep process, which involves activation, proliferation and directed migration of endothelial cells to form new capillaries from existing vessels. Under physiological conditions, in the adult organisms angiogenesis is extremely slow, yet it can be activated for a limited time o…nly in situations such as ovulation or wound healing. In a number of disease states, however, there is a derangement of angiogenesis, which can contribute to the pathology of these conditions. Hence, understanding the molecular biology of endothelial cell activation and differentiation and the mechanisms involved in the regulation of angiogenesis, could explain the derangement in disease states and also provide the basis for developing promoters or suppressors of angiogenesis for clinical applications. This book contains the proceedings of the NATO Advanced Study Institute on 'Angiogenesis: Molecular Biology, Oinical Aspects' held in Rhodes, Greece, from June 16-27, 1993. This meeting was a comprehensive review of the various aspects of angiogenesis such as embryonic development, endothelial cell heterogeneity and tissue specificity, molecular biology of endothelial cell, mechanisms for the regulation of angiogenesis, disease states in which angiogenesis is involved and potential application of promoters or suppressors of angiogenesis. The presentations and discussions of the meeting provided an opportunity for investigators from many different areas of basic science and medicine to exchange information, evaluate the present status and provide future research directions in the field of angiogenesis.
Sprache: Deutsch
Verlag: Springer Berlin Heidelberg, J.B. Metzler Aug 1994 1994
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Taschenbuch. Zustand: Neu. Neuware -In der Debatte um RU 486, die 'Abtreibungspille', stehen oft weniger medizinische als vielmehr politische oder weltanschauliche Gesichtspunkte im Mittelpunkt. Dies weiß auch Etienne-Emile Baulieu, der den Wirkstoff entdeckt hat. Er weicht der moralischen Diskussion um die Abtreibung nicht aus,… doch im Mittelpunkt seines Buches stehen die Etappen der Hormonforschung, die schließlich zur Entwicklung von RU 486 geführt haben. Leicht nachvollziehbar wird erklärt, welchen Einfluß die Hormone auf die Entstehung der Schwangerschaft haben und warum RU 486 zum Schwangerschaftsabbruch führt. Die medizinischen Erfahrungen mit dem Präparat, u.a. aus Frankreich, England und China, werden ausführlich geschildert. Die deutsche Diskussion über RU 486 faßt Prof. Lauritzen in einem Nachwort zusammen.
Sprache: Deutsch
Verlag: Springer Berlin Heidelberg, Springer Berlin Heidelberg Aug 1994 1994
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Taschenbuch. Zustand: Neu. Neuware -In der Debatte um RU 486, die 'Abtreibungspille', stehen oft weniger medizinische als vielmehr politische oder weltanschauliche Gesichtspunkte im Mittelpunkt. Dies weiß auch Etienne-Emile Baulieu, der den Wirkstoff entdeckt hat. Er weicht der moralischen Diskussion um die Abtreibung nicht aus,… doch im Mittelpunkt seines Buches stehen die Etappen der Hormonforschung, die schließlich zur Entwicklung von RU 486 geführt haben. Leicht nachvollziehbar wird erklärt, welchen Einfluß die Hormone auf die Entstehung der Schwangerschaft haben und warum RU 486 zum Schwangerschaftsabbruch führt. Die medizinischen Erfahrungen mit dem Präparat, u.a. aus Frankreich, England und China, werden ausführlich geschildert. Die deutsche Diskussion über RU 486 faßt Prof. Lauritzen in einem Nachwort zusammen.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 172 pp. Deutsch.
Sprache: Deutsch
Verlag: Springer Berlin Heidelberg, Springer Aug 1994 1994
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Taschenbuch. Zustand: Neu. Neuware -In der Debatte um RU 486, die 'Abtreibungspille', stehen oft weniger medizinische als vielmehr politische oder weltanschauliche Gesichtspunkte im Mittelpunkt. Dies weiß auch Etienne-Emile Baulieu, der den Wirkstoff entdeckt hat. Er weicht der moralischen Diskussion um die Abtreibung nicht aus,… doch im Mittelpunkt seines Buches stehen die Etappen der Hormonforschung, die schließlich zur Entwicklung von RU 486 geführt haben. Leicht nachvollziehbar wird erklärt, welchen Einfluß die Hormone auf die Entstehung der Schwangerschaft haben und warum RU 486 zum Schwangerschaftsabbruch führt. Die medizinischen Erfahrungen mit dem Präparat, u.a. aus Frankreich, England und China, werden ausführlich geschildert. Die deutsche Diskussion über RU 486 faßt Prof. Lauritzen in einem Nachwort zusammen. 172 pp. Deutsch.
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -'Readers will find in these pages a very lucid, creative, and highly readable version of many of the ideas that have taken shape through the medium of the Human Development Reports during the last four years. Busy policy makers all ov…er the world will find this an indispensable primer.' - Mahbub ul Haq, from the preface. This book introduces the basic concepts of human development and presents policy guidelines for implementing a human development strategy in developing countries. Human development is seen both as an end in itself and as a means to increase the capabilities of people. The role of the state, the market and of people's participation in such a strategy are described. Specific chapters discuss the structure of incentives, allocation of public sector resources, structural reforms, the relationship of human development to environmental issues and finance and administration. 144 pp. Englisch.
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -In this volume of original research papers, the main topics discussed relate to the asymptotic windings of planar Brownian motion, structure equations, closure properties of stochastic integrals. The contents of the volume represent a…n important fraction of research undertaken by French probabilists and their collaborators from abroad during the academic year 1992-1993. 344 pp. Englisch, Französisch.
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This volume contains the thoroughly refereed and revised papers accepted for presentation at the IJCAI '91 Workshops on Fuzzy Logic and Fuzzy Control, held during the International Joint Conference on AI at Sydney, Australia in August… 1991. The 14 technical contributions are devoted to several theoretical and applicational aspects of fuzzy logic and fuzzy control; they are presented in sections on theoretical aspects of fuzzy reasoning and fuzzy control, fuzzy neural networks, fuzzy control applications, fuzzy logic planning, and fuzzy circuits. In addition, there is a substantial introduction by the volume editors on the latest developments in the field that brings the papers presented into line. 180 pp. Englisch.
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This monograph brings together my work in mathematical statistics as I have viewed it through the lens of Jordan algebras. Three technical domains are to be seen: applications to random quadratic forms (sums of squares), the investiga…tion of algebraic simplifications of maxi mum likelihood estimation of patterned covariance matrices, and a more wide open mathematical exploration of the algebraic arena from which I have drawn the results used in the statistical problems just mentioned. Chapters 1, 2, and 4 present the statistical outcomes I have developed using the algebraic results that appear, for the most part, in Chapter 3. As a less daunting, yet quite efficient, point of entry into this material, one avoiding most of the abstract algebraic issues, the reader may use the first half of Chapter 4. Here I present a streamlined, but still fully rigorous, definition of a Jordan algebra (as it is used in that chapter) and its essential properties. These facts are then immediately applied to simplifying the M:-step of the EM algorithm for multivariate normal covariance matrix estimation, in the presence of linear constraints, and data missing completely at random. The results presented essentially resolve a practical statistical quest begun by Rubin and Szatrowski [1982], and continued, sometimes implicitly, by many others. After this, one could then return to Chapters 1 and 2 to see how I have attempted to generalize the work of Cochran, Rao, Mitra, and others, on important and useful properties of sums of squares. 116 pp. Englisch.
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Alongside the traditional topics of international trade theory, this useful textbook integrates many topics usually omitted, and contains results of new research. It may be used at both undergraduate and graduate level, thanks to its…unique 'two-tier' structure: the text speaks directly to the undergraduate in extremly clear terms; while the appendices, which form the second tier, are addressed to graduate students and researchers. Each appendix is a self-contained treatment in mathematical terms of the topics examined in the text. The ample and balanced treatment of the various approaches and the clarity of exposition ensure that readers gain a thorough grasp of theories, facts and policies. 372 pp. Englisch.
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This second edition is brought about by two factors. First, the initial printing sold out much more rapidly than we expected. Second, several colleagues have been kind enough to suggest that this book not only has a contribution to ma…ke to ecological economics, but also has relevance to economics general. Thus our OUf distinction distinction between between genotypic genotypic and phenotypic evolution may be used to characterise not only economic sectors, but also whole economies, and in particular economic schools of thought. For instance, the Austrian subjectivist school deals explicitly with ignorance and the emergence of novelty, and may therefore be used to analyse genotypic development. In contrast, neoclassical economics deals principally with phenotypic development. When Dr. Müller Muller of Springer-Verlag suggested the production of a second edition, we were therefore pleased that this book might remain available. Several readers and in particular reviewers of the first edition remarked, in one way or the other, that they had questions concerning several of our OUf concepts, concepts, such as genotype, phenotype, ignorance, surprise, sUlprise, novelty, novelty, knowledge, knowledge, predictable predictable and unpredictable processes etc. Of course, all these concepts are of importance for evolution in general and for invention and innovation of new techniques in particular. We therefore considered some modifications and extensions of the original text, but on the advice of colleagues, have restricted oUfselves ourselves to correcting mistakes that crept into the first edition and to two extensions ofthe of the text, text, one major, one smaller. 312 pp. Englisch.
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 232 pp. Englisch.
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -In this Symposium, researchers specializing in pulsation, rotation, magnetic fields and stellar winds are brought together for the first time in order to broaden our understanding of O and B stars. Thanks to advances in digital spectr…oscopy, new types of pulsating B stars have been discovered. The pulsations can be understood in terms of the recent revision of metal opacities, but the effects of rapid rotation and magnetic fields need further study. Observations in the UV and X-ray regions demonstrate that many B and Be stars show other activity, besides pulsation which is not yet understood. The reason for the enhanced mass loss in Be stars is a question which dominates the Symposium and which remains unanswered, although it is surely to be found in activity at or near the photosphere coupled with rotation. It is shown that the geometry of the circumstellar envelopes around Be stars is indeed a flattened disk as they can now be optically resolved. The variability of radiatively-driven winds from O and B stars are likely related to the rotation of the star. This underlines the central theme of the book: that the various phenomena seen in these stars cannot be studied in isolation. 576 pp. Englisch.
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The advent of ecosystem ecology has created great difficulties for ecologists primarily trained as biologists, since inevitably as the field grew, it absorbed components of other disciplines relatively foreign to most ecologists yet v…ital to the understanding of the structure and function of ecosystems. From the point of view of the biological ecologist struggling to understand the enormous complexity of the biological functions within an ecosystem, the added necessity of integrating biology with geochemis try, hydrology, micrometeorology, geomorphology, pedology, and applied sciences (like silviculture and land use management) often has appeared as an impossible requirement. Ecologists have frequently responded by limiting their perspective to biology with the result that the modeling of species interactions is sometimes considered as modeling ecosystems, or modeling the living fraction of the ecosystems is considered as modeling whole ecosystems. Such of course is not the case, since understanding the structure and function of ecosystems requires sound understanding of inanimate as well as animate processes and often neither can be under stood without the other. About 15 years ago, a view of ecology somewhat different from most then prevailing, coupled with a strong dose of naivete and a sense of exploration, lead us to believe that consideration of the inanimate side of ecosystem function rather than being just one more annoying complexity might provide exceptional advantages in the study of ecosystems. To examine this possibility, we took two steps which occurred more or less simultaneously. 272 pp. Englisch.
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This treatise investigates a number of problems related to treewidth and pathwidth of graphs. The main objective is to obtain good bounds on the complexity of determining the treewidth and pathwidth for various classes of graphs.Origi…nating from the author's Ph.D. thesis, this monograph presents original own work. Nevertheless, many interesting perspectives beyond are presented. In total, the book is a smooth introduction to the topic of graphs of bounded treewidth. It will help to satisfy the strong interest among the algorithmic graph theory community in the theory pertaining to the topic. Particularly valuable is the thorough survey given of the relevant current literature. 228 pp. Englisch.
Sprache: Englisch
Verlag: Springer Berlin Heidelberg, Springer Berlin Heidelberg Aug 1994 1994
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This conference, organized jointly by UTC and INRIA, is the biennial general conference of the IFIP Technical Committee 7 (System Modelling and Optimization), and reflects the activity of its members and working groups. These proceedi…ngs contain a collection of papers (82 from the more than 400 submitted) as well as the plenary lectures presented at the conference. 1024 pp. Englisch.
Sprache: Englisch
Verlag: Springer Berlin Heidelberg, Springer Berlin Heidelberg Aug 1994 1994
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This volume constitutes the proceedings of the Fourth International Conference on Algebraic and Logic Programming (ALP '94), held in Madrid, Spain in September 1994.Like the predecessor conferences in this series, ALP '94 succeeded in… strengthening the cross-fertilization between algebraic techniques and logic programming. Besides abstracts of three invited talks, the volume contains 17 full revised papers selected from 41 submissions; the papers are organized into sections on theorem proving, narrowing, logic programming, term rewriting, and higher-order programming. 324 pp. Englisch.
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Nature is full of spidery patterns: lightning bolts, coastlines, nerve cells, termite tunnels, bacteria cultures, root systems, forest fires, soil cracking, river deltas, galactic distributions, mountain ranges, tidal patterns, cloud…shapes, sequencing of nucleotides in DNA, cauliflower, broccoli, lungs, kidneys, the scraggly nerve cells that carry signals to and from your brain, the branching arteries and veins that make up your circulatory system. These and other similar patterns in nature are called natural fractals or random fractals. This chapter contains activities that describe random fractals. There are two kinds of fractals: mathematical fractals and natural (or random) fractals. A mathematical fractal can be described by a mathematical formula. Given this formula, the resulting structure is always identically the same (though it may be colored in different ways). In contrast, natural fractals never repeat themselves; each one is unique, different from all others. This is because these processes are frequently equivalent to coin-flipping, plus a few simple rules. Nature is full of random fractals. In this book you will explore a few of the many random fractals in Nature. Branching, scraggly nerve cells are important to life (one of the patterns on the preceding pages). We cannot live without them. How do we describe a nerve cell How do we classify different nerve cells Each individual nerve cell is special, unique, different from every other nerve cell. And yet our eye sees that nerve cells are similar to one another. 324 pp. Englisch.
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This volume presents the 36 full refereed papers selected from the presentations at the First European Workshop on Case-Based Reasoning, held at Kaiserslautern, Germany in November 1993.Case-based reasoning (CBR) has recently attracte…d much interest among AI researchers: it supports knowledge acquisition and problem solving, and it is related to machine learning, analogical reasoning, cognitive modeling, similarity, and information retrieval. EWCBR is now established as the prime European forum for CBR research. This volume reflects the importance of this dynamic area of research through essential contributions to all aspects of CBR research and advanced applications. 488 pp. Englisch.
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Further MRCP-I is the third compilation of self-assessment exercises in this series of MCQs. It consists of five mock examination papers that have been used in the Bloomsbury MRCP Part I course. This approach remains a popular part of… the examination system in that it provides a compact method of testing knowledge over a very wide field, particularly advantageous in a diverse subject such as medicine. This volume is suited to those in the final stages of preparation for their examinations, such as the MRCP Part I, which is taken by about 3,000 doctors annually. The user will gain experience of performing under the stress of a time limit. 120 pp. Englisch.
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -I spent the first twenty six years of my life in Rome. I used to go for ice cream to a popular place near the Pantheon and I remem ber the excitement I felt, beyond the chocolate and whipped cream, when I entered this ancient Roman te…mple. After staring at the 'shower' of light coming from the circular opening at the center of the dome, as strong as a spotlight, I remember being attracted almost hypnotically to the place below the opening. I remember counting the coffers carving the concave dome, com posed in five rows of circular arrays, and could feel the power and protection created by the concave space. I also recall going every Sunday to Piazza San Pietro. This Baroque square is well known for its colonnades, which have an oval shape defined by two interlocking circles. For each of these circles there is a mark, located approximately at its center, from which the four aligned rows of columns appear as one. Before entering the church, almost as a part of a ritual, I had to find the mark in the pavement of the oval square. I was amazed by how the rows of columns could appear and disappear according to my position in relation to the mark. 396 pp. Englisch.
Sprache: Englisch
Verlag: Springer, Basel, Birkhäuser Basel, Birkhäuser Aug 1994 1994
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Buch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This book deals with asymptotic solutions of linear and nonlinear equa tions which decay as h ---+ 0 outside a neighborhood of certain points, curves and surfaces. Such solutions are almost everywhere well approximated by the functions cp(x)… exp{iS(x)/h}, x E 1R3, where S(x) is complex, and ImS(x) ~ o. When the phase S(x) is real (ImS(x) = 0), the method for obtaining asymp totics of this type is known in quantum mechanics as the WKB-method. We preserve this terminology in the case ImS(x) ~ 0 and develop the method for a wide class of problems in mathematical physics. Asymptotics of this type were constructed recently for many linear prob lems of mathematical physics; certain specific formulas were obtained by differ ent methods (V. M. Babich [5 -7], V. P. Lazutkin [76], A. A. Sokolov, 1. M. Ter nov [113], J. Schwinger [107, 108], E. J. Heller [53], G. A. Hagedorn [50, 51], V. N. Bayer, V. M. Katkov [21], N. A. Chernikov [35] and others). However, a general (Hamiltonian) formalism for obtaining asymptotics of this type is clearly required; this state of affairs is expressed both in recent mathematical and physical literature. For example, the editors of the collected volume [106] write in its preface: 'One can hope that in the near future a computational pro cedure for fields with complex phase, similar to the usual one for fields with real phase, will be developed. 304 pp. Englisch.
Sprache: Englisch
Verlag: Springer Berlin Heidelberg, Springer Berlin Heidelberg Aug 1994 1994
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The CRYPTO '94 conference is sponsored by the International Association for Cryptologic Research (IACR), in co-operation with the IEEE Computer Society Technical Committee on Security and Privacy. It has taken place at the Univ- sity…of California, Santa Barbara, from August 21-25,1994. This is the fourteenth annual CRYPTO conference, all of which have been held at UCSB. This is the first time that proceedings are available at the conference. The General Chair, Jimmy R. Upton has been responsible for local organization, registration, etc. There were 114 submitted papers which were considered by the Program Committee. Of these, 1 was withdrawn and 38 were selected for the proce- ings. There are also 3 invited talks. Two of these are on aspects of cryptog- phy in the commercial world. The one on hardware aspects will be presented by David Maher (AT&T), the one on software aspects by Joseph Pato (Hewlett- Packard). There will also be a panel discussion on 'Securing an Electronic World: Are We Ready ' The panel members will be: Ross Anderson, Bob Blakley, Matt Blaze, George Davida, Yvo Desmedt (moderator), Whitfield Diffie, Joan Feig- baum, Blake Greenlee, Martin Hellman, David Maher, Miles Smid. The topic of the panel will be introduced by the invited talk of Whitfield Diffie on 'Securing the Information Highway. ' These proceedings contain revised versions of the 38 contributed talks. Each i paper was sent to at least 3 members of the program committee for comments. 452 pp. Englisch.
