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North Holland

    • Lukasiewicz-Moisil Algebras

      • 1st Edition
      • Volume 49
      • May 13, 1991
      • V. Boicescu + 3 more
      • English
      • Paperback
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      • eBook
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      The Lukasiewicz-Moisil algebras were created by Moisil as an algebraic counterpart for the many-valued logics of Lukasiewicz. The theory of LM-algebras has developed to a considerable extent both as an algebraic theory of intrinsic interest and in view of its applications to logic and switching theory.This book gives an overview of the theory, comprising both classical results and recent contributions, including those of the authors. N-valued and &THgr;-valued algebras are presented, as well as &THgr;-algebras with negation.Mathematici... interested in lattice theory or symbolic logic, and computer scientists, will find in this monograph stimulating material for further research.
    • Adaptability of Human Gait

      • 1st Edition
      • Volume 78
      • March 25, 1991
      • A.E. Patla
      • English
      • Paperback
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      A large number of volumes have been produced summarizing the work on generation and control of rhythmic movements, in particular locomotion. Unfortunately most of them focus on locomotor studies done on animals. This edited volume redresses that imbalance by focusing completely on human locomotor behaviour. The very nature of the problem has both necessitated and attracted researchers from a wide variety of disciplines ranging from psychology, neurophysiology, kinesiology, engineering, medicine to computer science. The different and unique perspectives they bring to this problem provide a comprehensive picture of the current state of knowledge on the generation and regulation of human locomotor behaviour.A common unifying theme of this volume is studying the adaptability of human gait to obtain insights into the control of locomotion. The intentional focus on "adaptability" is meant to draw attention to the importance of understanding the generation and regulation of "skilled locomotor behaviour" rather than just the generation of basic locomotor patterns which has been the major focus of animal studies. The synthesis chapter at the end of the volume examines how the questions posed, the technology, and the experimental and theoretical paradigms have evolved over the years, and what the future has in store for this important research domain.
    • Interpolation Functors and Interpolation Spaces

      • 1st Edition
      • Volume 47
      • March 18, 1991
      • English
      • eBook
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      The theory of interpolation spaces has its origin in the classical work of Riesz and Marcinkiewicz but had its first flowering in the years around 1960 with the pioneering work of Aronszajn, Calderón, Gagliardo, Krein, Lions and a few others. It is interesting to note that what originally triggered off this avalanche were concrete problems in the theory of elliptic boundary value problems related to the scale of Sobolev spaces. Later on, applications were found in many other areas of mathematics: harmonic analysis, approximation theory, theoretical numerical analysis, geometry of Banach spaces, nonlinear functional analysis, etc. Besides this the theory has a considerable internal beauty and must by now be regarded as an independent branch of analysis, with its own problems and methods. Further development in the 1970s and 1980s included the solution by the authors of this book of one of the outstanding questions in the theory of the real method, the K-divisibility problem. In a way, this book harvests the results of that solution, as well as drawing heavily on a classic paper by Aronszajn and Gagliardo, which appeared in 1965 but whose real importance was not realized until a decade later. This includes a systematic use of the language, if not the theory, of categories. In this way the book also opens up many new vistas which still have to be explored. This volume is the first of three planned books. Volume II will deal with the complex method, while Volume III will deal with applications.
    • Language in Action

      • 1st Edition
      • Volume 130
      • February 12, 1991
      • J. van Benthem
      • English
      • Paperback
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      This monograph began life as a series of papers documenting five years of research into the logical foundations of Categorial Grammar, a grammatical paradigm which has close analogies with Lambda Calculus and Type Theory. The technical theory presented here stems from the interface between Logic and Linguistics and, in particular, the theory of generalized quantification. A categorical framework with lambda calculus-oriented semantics is a convenient vehicle for generalizing semantic insights (obtained in various corners of natural language) into one coherent theory.The book aims to demonstrate to fellow logicians that the resulting applied lambda calculus has intrinsic logical interest. In the final analysis, the idea is not just to `break the syntactic code' of natural languages but to understand the cognitive functioning of the human mind.
    • Topics on Domination

      • 1st Edition
      • February 1, 1991
      • S.T. Hedetniemi + 1 more
      • English
      • Paperback
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      The contributions in this volume are divided into three sections: theoretical, new models and algorithmic. The first section focuses on properties of the standard domination number &ggr;(G), the second section is concerned with new variations on the domination theme, and the third is primarily concerned with finding classes of graphs for which the domination number (and several other domination-related parameters) can be computed in polynomial time.
    • Parallel and Distributed Processing

      • 1st Edition
      • January 28, 1991
      • K. Boyanov
      • English
      • Paperback
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      The aim of this volume is to present discussion of the main problems in the theory of parallel and distributed architectures. It covers a wide range of basic topics, most of the papers being theoretical, though some cover application areas with the possibility of direct implementation.
    • Latin Squares

      • 1st Edition
      • January 24, 1991
      • József Dénes + 1 more
      • English
      • Paperback
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      In 1974 the editors of the present volume published a well-received book entitled ``Latin Squares and their Applications''. It included a list of 73 unsolved problems of which about 20 have been completely solved in the intervening period and about 10 more have been partially solved. The present work comprises six contributed chapters and also six further chapters written by the editors themselves. As well as discussing the advances which have been made in the subject matter of most of the chapters of the earlier book, this new book contains one chapter which deals with a subject (r-orthogonal latin squares) which did not exist when the earlier book was written.The success of the former book is shown by the two or three hundred published papers which deal with questions raised by it.
    • Submodular Functions and Optimization

      • 1st Edition
      • Volume 47
      • January 24, 1991
      • S. Fujishige
      • English
      • Paperback
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      The importance of submodular functions has been widely recognized in recent years in combinatorial optimization. This is the first book devoted to the exposition of the theory of submodular functions from an elementary technical level to an advanced one. A unifying view of the theory is shown by means of base polyhedra and duality for submodular and supermodular systems. Among the subjects treated are: neoflows (submodular flows, independent flows, polymatroidal flows), submodular analysis (submodular programs, duality, Lagrangian functions, principal partitions), nonlinear optimization with submodular constraints (lexicographically optimal bases, fair resource allocation). Special emphasis is placed on the constructive aspects of the theory, which lead to practical, efficient algorithms.
    • Quasihomogeneous Distributions

      • 1st Edition
      • Volume 165
      • January 24, 1991
      • O. von Grudzinski
      • English
      • eBook
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      This is a systematic exposition of the basics of the theory of quasihomogeneous (in particular, homogeneous) functions and distributions (generalized functions). A major theme is the method of taking quasihomogeneous averages. It serves as the central tool for the study of the solvability of quasihomogeneous multiplication equations and of quasihomogeneous partial differential equations with constant coefficients. Necessary and sufficient conditions for solvability are given. Several examples are treated in detail, among them the heat and the Schrödinger equation. The final chapter is devoted to quasihomogeneous wave front sets and their application to the description of singularities of quasihomogeneous distributions, in particular to quasihomogeneous fundamental solutions of the heat and of the Schrödinger equation.
    • Targets of Violence and Aggression

      • 1st Edition
      • Volume 76
      • January 15, 1991
      • R. Baenninger
      • English
      • Paperback
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      The chapters in this volume have been written by authors whose research work emphasizes the aggression-eliciting characteristics of people and other animals, the traits that make them targets of aggressive behavior. The clear focus of the book is on aggression by humans, although some of the authors may refer to data from other species. Chapters include aggression and violence towards other species, sexual minorities, psychiatric workers, school children, athletes, women, and drivers on highways. There are additional targets of aggressive behavior which have not been included because they are not emphasised in the research literature of psychology. Since the major concern of psychological science is with the behavior of individuals rather than groups, topics such as racial violence, warfare, and political violence have been specifically excluded.