springer springer jun 1981 (109 risultati)

Taschenbuch. Condizione: Neu. Neuware Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 292 pp. Englisch.

Taschenbuch. Condizione: Neu. Neuware -The Second Edition of Food Process Engineering by Dr. Dennis Heldman, my former student, and co-author Paul Singh, his former student, attests to the importance of the previous edition. In the Foreword to the First Edition, I noted the need for people in all facets of the food processing industry to consider those variables of design of particular importance in engineering for the food processing field. In addition to recognizing the many variables involved in the biological food product being handled from production to consumption, the engi neer must oftentimes adapt equations developed for non-biological materials. As more and more research is done, those equations are appropriately modified to be more accurate or new equations are developed specifically for designing to process foods. This Edition updates equations used. This book serves a very important need in acquainting engineers and technologists, particularly those with a math ematics and physics background, with the information necessary to provide a more efficient design to accomplish the objectives. Of prime importance, at present and in the future, is to design for efficient use of energy. Now, it is often economical to put considerably more money into first costs for an efficient design than previously, when energy costs were a much smaller proportion of the total cost of process engineering.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 448 pp. Englisch.

Taschenbuch. Condizione: Neu. Neuware -Modules.- Data types.- Semantics.- The library.- Notation.- Lexical considerations.- Types, type generation, and type specifications.- Scopes, declarations, and equates.- Assignment and invocation.- Expressions.- Statements.- Exception handling and exits.- Modules.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 204 pp. Englisch.

Buch. Condizione: Neu. Neuware -Procreare iucundum, sed parturire molestum. (Gauss, sec. Eisenstein) The plan of this book was first conceived eight years ago. The manuscript developed slowly through several versions until it attained its present form in 1979. It would be inappropriate to list the names of all the friends and advisors with whom I discussed my various drafts but I should like to mention the name of Mr. Gary Cornell who, besides discussing with me numerous details of the manuscript, revised it stylistically. There is much interest among mathematicians to know more about Gauss's life, and the generous help I received has certainly more to do with this than with any individual, positive or negative, aspect of my manuscript. Any mistakes, errors of judgement, or other inadequacies are, of course, the author's responsi bility. The most incisive and, in a way, easiest decisions I had to make were those of personal taste in the choice and treatment of topics. Much had to be omitted or could only be discussed in a cursory way.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 220 pp. Englisch.

Buch. Condizione: Neu. Neuware -Since the early 1800's, children have been taught and encouraged to function as instructional agents for their classroom peers. However, it was not until the last decade that peer-mediated intervention was studied in a rigorous, systematic fashion. The purpose of this edited volume is to provide an up-to-date and complete account of empirical research that addresses the general efficacy of classroom peers as behavior change agents. As a result of various social and legal developments, such as the passage of Public Law 94-142 and its accompanying demand for indi vidualized instruction, peer-mediated interventions seem likely to prolif erate. As I have noted elsewhere (Strain, this volume), close adherence to the principle of individualized programming has rendered obsolete the 'adults only' model of classroom instruction. Whether the utilization of peers in the instructional process comes to be viewed by school personnel as a positive adjunct to daily classroom practices depends in large mea sure on our ability to carefully design, conduct, and communicate the findings of applied research. I trust that this volume will function both to accurately communicate existing findings and to stimulate further study. My colleagues who have generously contributed their time and skill to this volume have my deepest appreciation. They have performed their various tasks in a timely, professional manner and, in my opinion, have provided considerable insight into the problems and potentials of peers as instructional agents.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 384 pp. Englisch.

Buch. Condizione: Neu. Neuware -This book is intended for professionals, researchers, technicians and students who are newcomers to the field as well as those with experience. It will be an important resource in the following fields: surface science, electronic materials and processes, thin film deposition, surface compositional analysis and related topical areas such as corrosion, oxidation, reduction, adsorption, desorption, adhesion, epitaxial growth and contamination. The presentation uses a tutorial and pedagogical approach.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 276 pp. Englisch.

Taschenbuch. Condizione: Neu. Neuware -These notes are based on a series of lectures given in the Lefschetz Center for Dynamical Systems in the Division of Applied Mathematics at Brown University during the academic year 1978-79. The purpose of the lectures was to give an introduction to the applications of centre manifold theory to differential equations. Most of the material is presented in an informal fashion, by means of worked examples in the hope that this clarifies the use of centre manifold theory. The main application of centre manifold theory given in these notes is to dynamic bifurcation theory. Dynamic bifurcation theory is concerned with topological changes in the nature of the solutions of differential equations as para meters are varied. Such an example is the creation of periodic orbits from an equilibrium point as a parameter crosses a critical value. In certain circumstances, the application of centre manifold theory reduces the dimension of the system under investigation. In this respect the centre manifold theory plays the same role for dynamic problems as the Liapunov-Schmitt procedure plays for the analysis of static solutions. Our use of centre manifold theory in bifurcation problems follows that of Ruelle and Takens [57) and of Marsden and McCracken [51).Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 160 pp. Englisch.

Buch. Condizione: Neu. Neuware.

Buch. Condizione: Neu. Neuware - Error-correction coding is being used on an almost routine basis in most new communication systems. Not only is coding equipment being used to increase the energy efficiency of communication links, but coding ideas are also providing innovative solutions to many related communication problems. Among these are the elimination of intersymbol interference caused by filtering and multipath and the improved demodulation of certain frequency modulated signals by taking advantage of the 'natural' coding provided by a continuous phase. Although several books and nu merous articles have been written on coding theory, there are still noticeable deficiencies. First, the practical aspects of translating a specific decoding algorithm into actual hardware have been largely ignored. The information that is available is sketchy and is widely dispersed. Second, the information required to evaluate a particular technique under situations that are en countered in practice is available for the most part only in private company reports. This book is aimed at correcting both of these problems. It is written for the design engineer who must build the coding and decoding equipment and for the communication system engineer who must incorporate this equipment into a system. It is also suitable as a senior-level or first-year graduate text for an introductory one-semester course in coding theory. The book U'Ses a minimum of mathematics and entirely avoids the classical theorem/proof approach that is often seen in coding texts.

Buch. Condizione: Neu. Neuware - This book presents the formal lectures and contributed papers given at the NATO Advanced Study Institute on Fast Reactions in Energetic Systems, which took place in Preveza, Greece, during the period 6-19 July 1980. The material describes experimental observations and the more advanced theoretical aspects of certain types of fast reactions and energy or charge transfer processes which are usually complete 6 12 in periods of 10- - 10- seconds. Furthermore, it discusses the role of macroscopic and molecular processes in the ignition, combustion, deflagration, and detonation of solid, liquid, and gaseous chemical systems. Various papers deal with the ability of molecules to absorb and transmit the different forms of energy provided by shock, light, thermal, or electron pulses, and to contribute to the propagation of reactions under high temperatures and pressures. The role of energy pumped or transferred to electronic or vibrational states is discussed in terms of excitation, ionization, bond scission, and the formation of free radicals. The dynamics and reactivity of ionic species, electronically and vibrationally excited states, and free radicals are described for various gaseous, liquid, and solid systems. The proceedings include presentations of theoretical and experimental techniques to describe and observe the phenomena.

Taschenbuch. Condizione: Neu. Neuware Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 288 pp. Französisch.

Taschenbuch. Condizione: Neu. Neuware -Der Erfolg einer Operation am offenen Herzen hängt - neben an deren Faktoren - vor allem von der Qualität des intraoperativen Myokardschutzes ab. Die Einführung kardioplegischer Methoden in die Klinik hat das Risiko offener Herzoperationen entschei dend gesenkt. Die Injektionskardioplegie und Infusionskardioplegie stellen heute die gebräuchlichsten kardioplegischen Verfahren dar. Sie wurden in zahlreichen tierexperimentellen Untersuchungen aus giebig beforscht. Allerdings erfolgten derartige Studien bislang immer an gesunden Tierherzen. Ziel der vorliegenden Arbeit war es, diese Kardioplegieverfahren im Tierversuch am vorgeschädigten, hypertrophierten Myokard auf ihre Wirksamkeit zu überprüfen. Die tierexperimentellen Untersuchungen wurden von 1976- 1978 in der Abteilung für experimentelle Chirurgie und im bio chemischen Labor der Chirurgischen Univ.-Klinik Tübingen durch gefuhrt. Für die wissenschaftliche Unterstützung und Beratung bei den experimentellen und insbesondere den biochemischen Unter suchungen danke ich Herrn Professor Heller und seinen medizi nisch-technischen Assistentinnen sehr herzlich. Herrn Professor Hoffmeister danke ich herzlich für die Förde rung dieser Untersuchungen, seine wertvollen Anregungen und die kritische Durchsicht des Manuskriptes. Meinen Kollegen Herrn Dr. Fenchel und Herrn Dr. Huth sowie den Mitarbeitern des Tier-OP danke ich für ihre Mithilfe bei der Durchführung der Versuche. Schließlich habe ich Herrn Juranek, Abteilung für Medizinische Dokumentation und Datenverarbeitung an der Chirurgischen Univ. Klinik Tübingen, für die statistische Auswertung der Ergebnisse zu danken. Tübingen, im April 1981 W. Seybold-Epting Inhaltsverzeichnis I. Einführung in die Problematik des Myokardschutzes während Operationen am offenen Herzen . . 1. Koronarperfusion . . . . . . . . . . . . . . . . . . 88 pp. Deutsch.

Taschenbuch. Condizione: Neu. Neuware -Der Erfolg einer Operation am offenen Herzen hängt - neben an deren Faktoren - vor allem von der Qualität des intraoperativen Myokardschutzes ab. Die Einführung kardioplegischer Methoden in die Klinik hat das Risiko offener Herzoperationen entschei dend gesenkt. Die Injektionskardioplegie und Infusionskardioplegie stellen heute die gebräuchlichsten kardioplegischen Verfahren dar. Sie wurden in zahlreichen tierexperimentellen Untersuchungen aus giebig beforscht. Allerdings erfolgten derartige Studien bislang immer an gesunden Tierherzen. Ziel der vorliegenden Arbeit war es, diese Kardioplegieverfahren im Tierversuch am vorgeschädigten, hypertrophierten Myokard auf ihre Wirksamkeit zu überprüfen. Die tierexperimentellen Untersuchungen wurden von 1976- 1978 in der Abteilung für experimentelle Chirurgie und im bio chemischen Labor der Chirurgischen Univ.-Klinik Tübingen durch gefuhrt. Für die wissenschaftliche Unterstützung und Beratung bei den experimentellen und insbesondere den biochemischen Unter suchungen danke ich Herrn Professor Heller und seinen medizi nisch-technischen Assistentinnen sehr herzlich. Herrn Professor Hoffmeister danke ich herzlich für die Förde rung dieser Untersuchungen, seine wertvollen Anregungen und die kritische Durchsicht des Manuskriptes. Meinen Kollegen Herrn Dr. Fenchel und Herrn Dr. Huth sowie den Mitarbeitern des Tier-OP danke ich für ihre Mithilfe bei der Durchführung der Versuche. Schließlich habe ich Herrn Juranek, Abteilung für Medizinische Dokumentation und Datenverarbeitung an der Chirurgischen Univ. Klinik Tübingen, für die statistische Auswertung der Ergebnisse zu danken. Tübingen, im April 1981 W. Seybold-Epting Inhaltsverzeichnis I. Einführung in die Problematik des Myokardschutzes während Operationen am offenen Herzen . . 1. Koronarperfusion . . . . . . . . . . . . . . . . . . 88 pp. Deutsch.

Taschenbuch. Condizione: Neu. Neuware -Die Haut stellt ein 'inderdisziplinares' Organ dar. Mit ihrer Behandlung befassen sich gerade im onkologischen Bereich somit nicht nur Dermatologen, sondern auch Radiolo gen, Chirurgen, Ophthalmologen, Otorhinolaryngologen und Kiefer-und Gesichtschirur gen; deshalb sind Vertreter dieser Disziplinen anlaBlich der diesem Buch zugrundeliegen den Tagung der Vereinigung fUr operative Dermatologie in Hinterzarten zu Wort gekom men. Die Darlegungen der klinischen, der pathologisch-anatomischen, der virologischen und der davon abgeleiteten therapeutischen Gesichtspunkte vermitteln den aktuellen Stand unserer Kenntnisse in diesem wichtigen Teilgebiet der Derrriatologie. Es ist allgemein bekannt, daB sich das spinozellulare Karzinom der Haut in der Regel auf dem Boden prakanzeroser Lasionen entwickelt. Da sich aber der praneoplastische Zu stand ebensowenig wie das manifeste Karzinom auf einen einzigen kausalen Faktor zu rlickfiihren lassen, erschien es sinnvoll - im Rahmen dieses Buches - die fUr eine fundier te Kenntnis der epidermalen Karzinogenese erforderlichen atiopathogenetischen Daten zu erm:beiten. Erst die Berlicksichtigung des klinischen Befundes in Verbindung mit der Kenntnis und Wertung der verantwortlichen Ursache erlauben dem behandelnden Arzt eine optimale krankheitsspezifische Therapie. Die Autoren zeigen, neben den Moglichkeiten der operativen Therapie, die Indika tionen und Chancen alternativer Behandlungsmoglichkeiten wie Rontgen-, Zytostatika und Kryotherapie auf. Hierbei scheint die nicht immer eindeutige Abgrenzung von Pra kanzerose, Pseudokanzerose und virusbedingter benigner Papillomatose gerade unter dem Blickpunkt der virogenen Onkogenitat besonders wichtig zu sein.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 304 pp. Deutsch.

Taschenbuch. Condizione: Neu. Neuware -Beobachters zur Rekonstruktion der Motorbeschleunigung deutet auf eine geringe Empfindlichkeit 110 bezüglich Parameterschwankungen und Störungen des Meßsignals hin.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 116 pp. Deutsch.

Taschenbuch. Condizione: Neu. Neuware -Siidafrika) nicht unbedingt fossil iiberliefert sein.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 220 pp. Deutsch.

Taschenbuch. Condizione: Neu. Neuware -die Tätigkeit des Benutzers bei der Zeichnungserstellung im Vordergrund, wobei der Rechner für den Entwurf mehr oder weniger umfangreiche Kontrollaufgaben übernimmt.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 116 pp. Deutsch.

Taschenbuch. Condizione: Neu. Neuware -erreicht werden. 17 Des weiteren sollen Datenschnittstellen zu den an den Pro jektierungsbereich angrenzenden Betriebsbereichen definiert und so ein Ansatz fur eine integrierte rechnerunterstutzte Auftragsabwicklung hydrostatischer Anlagen geschaffen werden.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 120 pp. Deutsch.

Buch. Condizione: Neu. Neuware - EINE TRAGODIE: W ALLEN STEINS UND UNSER ALLER BOSER GEIST Descartes zweifelte - selbst an der Wahrheit von Arithmetik und Geometrie: 'Equidem non aliam ob causam de iis dubitandum esse . . . judicavi, quam quia veniebat in mentem forte aliquem Deum talem mihi naturam indere potuisse, ut etiam ilia deciperer, quae manifestissima viderentur. Sed quoties haec praeconcepta de summa Dei potentia opinio mihi occurrit, non possum non fateri, siquidem velit, facile illi esse efficere ut errem, etiam in his quae me puto mentis oculis quam evidentissime intueri': 'Allerdings aus keinem anderen Grunde urteilte ich . . . , daB daran zu zwei feln sei, als dem, daB mir in den Sinn kam, vielleicht habe ein Gott mir eine Natur der Art zu geben vermocht, daB ich mich tausche selbst beztiglich dessen, was das Offenkundigste schiene. Doch so oft mir diese vorgefaBte Meinung tiber Gottes hOchste Macht begegnet, kann ich nicht umhin, einzugestehen, es sei ihm ein Leichtes, wenn er nur wolle, zu bewirken, daB ich irre selbst in solchem, was ich mit den Augen des Geistes so evident wie nur m6glich einzusehen meine. ' Dann ware die offenkundigste GewiBheit, die hOchste Evidenz - am Ende der entschiedenste Grund zur Vermutung einer voll kommenen Tauschung. Wie ware das denkbar Ais v611ig gewil3, ganz offenkundig und vollkommen evident erscheint uns, was sich uns zwingend aufdringt, ganz ohne unser Zutun, v611ig unab hangig von unserem eigenen Glauben, Meinen und Wollen, ganz lich unbeeinflul3t, ungefarbt von unserer Subjektivitat.

Buch. Condizione: Neu. Neuware -,Etwa zwei Monate vor dem Tode sagte Husserl: ,Man solle seine Vergangenheit nicht trivialisieren. ' '1 Die Herausforderung dieser Worte lieB sich nur schwer abschatzen, als ich dem Stifter des Husserl-Archivs, meinem Freund Pater Van Breda, im Januar I974- zwei Monate vor seinem unzeitigen Hingang- den von ihm so sehr begruBten und geforderten EntschluB, eine Husserl-Bio graphie zu schreiben, naher erlauterte. Mancherlei ware darin ein zubringen gewesen: Ubersicht uber die Geschicke des Bismarck Staates und das aufkommende Hitler-Reich, Vertrautheit mit Stifter und Hofmannsthal, Kenntnis der Theorie mathematischer Funktionen wie der Psychologie der Wurzburger Schule, Einsicht in die Einfuhlungslehre von Lipps wie auch Heideggers Seins frage. Aber solche Absicht erwies sich hauptsachlich deswegen als undurchfiihrbar, weil es derzeit noch am Notigsten fehlt: an einer verlaBlichen Durcharbeitung von Husserls Denken und seiner Entwicklung, wie sie sich in den veroffentlichten Werken, vor al lem aber im Meer bewahrter Manuskripte niederschlug. Hier galt es, da viel bisher im Dunkeln liegt, die Materialien zu einer Bio graphie erst einmal bereitzustellen und, wenn auch oft nur um riBhaft, fur die Zukunft sicherzustellen. Ergebnis dieser Beschei dung ist die vorliegende Chronik. GewiB, Husserl ware selbst der befugteste interpres sui gewe sen. Doch was er unterm 20. Juni rg2r an den Meiner Verlag schrieb - der ,Stand seiner Lebensarbeit' erlaube es ihm zur Zeit nicht, zu der in diesem Verlag erscheinenden Reihe von Selbstdarstellungen einen Beitrag zu liefern (F I r8/r + 25) -, galt, wie gerade unsere Chronik deutlich macht, fur ihn zeitlebens.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 542 pp. Deutsch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Structural theory of PSH-algebras.- First applications.- Representations of general linear and affine groups over finite fields. 192 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 292 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The universal covering group G.- Representations.- Automorphic models.- Standard and Whittaker models.- Intertwining operators.- Fourier coefficients of automorphic models.- The operators .- Eisenstein models.- L2( /G, X).- The analytic continuation of the Eisenstein model.- Spectral decomposition of eL2( /G,X).- The space H .- Convolution operators.- Scalar product of Poincar¿eries.- Sum formula. 212 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Refined analysis and improvements on some factoring algorithms.- Absolute primality of polynomials is decidable in random polynomial time in the number of variables.- Area-time optimal VLSI networks for computing integer multiplication and Discrete Dourier Transform.- Cost tradeoffs in graph embeddings, with applications.- Minimum s-t cut of a planar undirected network in o(n log2(n)) time.- On the density of color-families.- The implication problem for data dependencies.- Characterizing data base Dependencies.- Data flow analysis of applicative programs.- Flow analysis of lambda expressions.- Algorithmic specifications of abstract data types.- Nondeterminism in abstract data types.- A view of directions in relational database theory.- A new characterization of the regular languages.- Langages Reconnaissables et Codage Prefixe Pur.- Passes, sweeps and visits.- On LALR(k) testing.- On size bounds for deterministic parsers.- A decision procedure for the equivalence of two dpdas one of which is linear.- The deducibility problem in Propositional Dynamic Logic.- Finite models for deterministic propositional dynamic logic.- Impartiality, justice and fairness: The ethics of concurrent termination.- Computing a perfect strategy for n¿ chess requires time exponential in n.- On the complexity of simple arithmetic expressions.- Proving lower bounds for linear decision trees.- Parikh-bounded languages.- Generalized Parikh mappings and homomorphisms.- Chomsky-Schotzenberger representations for families of languages and grammatical types.- Algebraically specified programming systems and Hoare's logic.- Automatic construction of verification condition generators from hoare logics.- Circular expressions: Elimination of static environments.- An axiomatic approach to the Korenjak - Hopcroft algorithms.- On the (generalized) post correspondence problem with lists of length 2.- A sparse table implementation of priority queues.- Comparing and putting together recursive path ordering, simplification orderings and Non-Ascending Property for termination proofs of term rewriting systems.- Termination of linear rewriting systems.- Realizing an equational specification.- A cook's tour of countable nondeterminism.- The complexity of decision problems for finite-turn multicounter machines.- Alternating multihead finite automata.- The solution for the branching factor of the alpha-beta pruning algorithm.- Uniform complexity and digital signatures.- On the generation of cryptographically strong pseudo-random sequences.- Measuring the expressive power of dynamic logics: An application of abstract model theory. 564 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Introducing his book 'The Theory of UnemPloyment Reconsidered', Professor Malinvaud expressed several years ago his hope 'to convey [his] strong belief that the reconsideration is a major step in the development of our science'. In view of the stimulating effect this approach has on economic research, it seems now that many economists do indeed share Malinvaud's belief and are ready to devote their time and their skill to ensure the realization of that progress. This book, grown out of a Ph. D. thesis presented at the Universit~ Catholique de Louvain, aims at contributing in its own way to that venture. Looking towards econometric applications, it illustrates that a framework h la Malinvaud (i. e. based on the theory of temporary equilibrium with rationing) provides the means of improving macro econometric modelling. There has been so far a wide and pervasive fear that, despite its analytical and theoretical usefulness, the quantity rationing approach would be much too complex to be successfully implemented into econometric models. The research the interested reader will discover in the subsequent pages should convince him that the difficulty faced by econometricians is essentially (I am tempted to say merely) one of developing an adequate methodology; it should thus disappear once is made the initial research investment. The empirical results presented towards the end of the book, though prelim inary, already suggests that the effort is rewarding and should be continued. My debts are many. 152 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This Lecture Note deals with asymptotic properties, i.e. weak and strong consistency and asymptotic normality, of parameter estimators of nonlinear regression models and nonlinear structural equations under various assumptions on the distribution of the data. The estimation methods involved are nonlinear least squares estimation (NLLSE), nonlinear robust M-estimation (NLRME) and non linear weighted robust M-estimation (NLWRME) for the regression case and nonlinear two-stage least squares estimation (NL2SLSE) and a new method called minimum information estimation (MIE) for the case of structural equations. The asymptotic properties of the NLLSE and the two robust M-estimation methods are derived from further elaborations of results of Jennrich. Special attention is payed to the comparison of the asymptotic efficiency of NLLSE and NLRME. It is shown that if the tails of the error distribution are fatter than those of the normal distribution NLRME is more efficient than NLLSE. The NLWRME method is appropriate if the distributions of both the errors and the regressors have fat tails. This study also improves and extends the NL2SLSE theory of Amemiya. The method involved is a variant of the instrumental variables method, requiring at least as many instrumental variables as parameters to be estimated. The new MIE method requires less instrumental variables. Asymptotic normality can be derived by employing only one instrumental variable and consistency can even be proved with out using any instrumental variables at all. 216 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Algebraic theory of parameterized specifications with requirements.- A modal characterisation of observable machine-behaviour.- Trees as data and file structures.- Infinitary relations.- Full approximability of a class of problems over power sets.- How to compute generators for the intersection of subgroups in free groups.- Abstract data types and rewriting systems : Application to the programming of Algebraic Abstract Data Types in PROLOG.- Top-down tree-transducers for infinite trees I.- Easy solutions are hard to find.- Une semantique pour les arbres non deterministes.- On the algebraic specification of nondeterministic programming languages.- Applied tree enumerations.- Evaluation d'arbre pour un calcul formel (application a l'enumeration de proteines).- On pushdown tree automata.- Initial and terminal algebra semantics of parameterized abstract data type specifications with inequalities.- Calcul du rang des -arbres infinis regulers.- A class of tree-like UNION-FIND data structures and the nonlinearity.- Grammars without erasing rules. the OI case.- Proprietes de cloture d'une extension de transducteurs d'arbres deterministes.- Certain algorithms for subgraph isomorphism problems.- A # P-complete problem over arithmetical trees.- Trees in Kripke models and in an intuitionistic refutation system.- Efficient optimization of monotonic functions on trees.- Differents types de derivations infinies dans les grammaires algebriques d'arbres.- Discriminability of infinite sets of terms in the D -models of the -calculus. 300 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The student of biological science in his final years as an undergraduate and his first years as a graduate is expected to gain some familiarity with current research at the frontiers of his discipline. New research work is published in a perplexing diversity of publications and is inevitably concerned with the minutiae of the subject. The sheer number of research journals and papers also causes confusion and difficulties of assimilation. Review articles usually presuppose a back ground knowledge of the field and are inevitably rather restricted in scope. There is thus a need for short but authoritative introductions to those areas of modern biological research which are either not dealt with in standard introductory textbooks or are not dealt with in suffi cient detail to enable the student to go on from them to read scholarly reviews with profit. This series of books is designed to satisfy this need. The authors have been asked to produce a brief outline of their subject assuming that their readers will have read and remembered much of a standard introductory textbook on biology. This outline then sets out to provide by building on this basis, the conceptual framework within which modern research work is progressing and aims to give the reader an indication of the problems, both conceptual and practical, which must be overcome if progress is to be maintained. 84 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -In English-speaking countries Victor Kraft is known principally for his account of the Vienna Circle. ! That group of thinkers has exercised in recent decades a significant influence not only on the philosophy of the western world, but also, at least indirectly, on that of the East, where there is now taking place a slow but clearly irresistible erosion of dogmatic Marxism by ways of think ing derived from a modem scientific conception of the world. Kraft's work as historian of the Vienna Circle has led to his being classed, without further qua1ification, as a neo-positivist philosopher. It is, however, only partially correct to count him as such. To be sure, he belonged to the group named, he took part in its meetings, and he drew from it suggestions central to his own work; but he did not belong to the hard core of the Circle and was a con scious opponent of certain radical tendencies espoused, at least from time to time, by some of its members. Evidence of this is provided by the theory of value now presented in English translation, since no less a thinker than Rudolf Carnap had, originally at any rate, obeyed a very narrowly conceived criterion of sense and declared value judgements to be senseless. 220 pp. Englisch.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -In the clinic at Giessen during the last few years there has been an extensive programme of research into the various aspects of lesions of the diencephalon and brain stem and the associated autonomic and metabolic disturbances. As a continuation of this research programme Ernst Grote has investigated the central neuronal and hormonal factors acting on the peripheral regulation of glucose metabolism and their diverse inter-relationships. This research was made possible not only by the availability of well-documented clinical and experi mental material with primary and secondary lesions of the hypo thalamus and brain stem, but also by the advances in clinical endo crinology and the development of radio-immuno-assays. By continuous systematic investigation of the basic values and their reaction to stress-tests, as well as to trauma and operation, he has elucidated the basic facts of the central and peripheral mechanisms which are concerned in the regulation of glucose, and also their disturbances. Of particular significance are his descriptions and interpretations of the characteristic hypothalamic syndromes, as combinations of hyperglycaemia, hyperinsulinaemia and hyperglucagonaemia; dif ferent syndromes are produced by lesions at various levels of the brain stem and in central brain death. From this starting point it was possible to develop a rational treatment of this hormonal dys regulation by means of somatostatin. 172 pp. Englisch.