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932 tulosta hakusanalla Duff Hart-Davis

Direct Methods for Sparse Matrices

Direct Methods for Sparse Matrices

I. S. Duff; A. M. Erisman; J. K. Reid

Oxford University Press
2017
sidottu
The subject of sparse matrices has its root in such diverse fields as management science, power systems analysis, surveying, circuit theory, and structural analysis. Efficient use of sparsity is a key to solving large problems in many fields. This second edition is a complete rewrite of the first edition published 30 years ago. Much has changed since that time. Problems have grown greatly in size and complexity; nearly all examples in the first edition were of order less than 5,000 in the first edition, and are often more than a million in the second edition. Computer architectures are now much more complex, requiring new ways of adapting algorithms to parallel environments with memory hierarchies. Because the area is such an important one to all of computational science and engineering, a huge amount of research has been done in the last 30 years, some of it by the authors themselves. This new research is integrated into the text with a clear explanation of the underlying mathematics and algorithms. New research that is described includes new techniques for scaling and error control, new orderings, new combinatorial techniques for partitioning both symmetric and unsymmetric problems, and a detailed description of the multifrontal approach to solving systems that was pioneered by the research of the authors and colleagues. This includes a discussion of techniques for exploiting parallel architectures and new work for indefinite and unsymmetric systems.
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Modern Cellular Automata

Modern Cellular Automata

Kendall Preston Jr.; Michael J.B. Duff

Kluwer Academic/Plenum Publishers
1985
sidottu
It is with great pleasure that I present this fourth vol­ ume in the series "Advanced Applications in Pattern Recognition." It would be difficult to find two authors better versed in the design and application of parallel image processing systems, due to both their own many years of pioneering in the field and their encyclopedic knowledge of what is going on in uni­ versity and industrial laboratories around the world. The monograph is unique in its parallel presentation of orthogonal and hexagonal dissections, and the wealth of graphic illustration of algorithmic procedures for processing and analyz­ ing images in the various known implementations of parallel im­ age-processing architectures. This volume should find a place on the bookshelf of every practitioner of pattern recognition, image processing, and compu­ ter graphics. Morton Nadler General Editor vii PREFACE This book endeavors to introduce the reader to the subject of cellular logic and cellular automata and is devoted particu­ larly to those parts dealing with the manipulation of pictorial data. The study of cellular automata owes much to the pioneer­ ing work of John von Neumann during the 1950s. Von Neumann was interested in general problems in the behavior of computing structures and was immensely impressed by the complexity and performance of the human brain, which he felt must point to­ wards successful designs for automatic computing machines.
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Trials and Punishments

Trials and Punishments

R. A. Duff

Cambridge University Press
1986
sidottu
How can a system of criminal punishment be justified? In particular can it be justified if the moral demand that we respect each other as autonomous moral agents is taken seriously? Traditional attempts to justify punishment as a deterrent or as retribution fail, but Duff suggests that punishment can be understood as a communicative attempt to bring a wrong-doer to repent her crime. This account is supported by discussions of moral blame, of penance, of the nature of the law's demands, and of the proper meaning and purpose of the criminal process of trial and verdict: it deals both with the ideals that should inform a system of criminal law and the extent to which those ideals are actualised in existing institutions and practices. The conclusion is pessimistic: punishment cannot be justified within our legal system; and this gap between the ideal and the actual presents us with serious moral dilemmas.
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Trials and Punishments

Trials and Punishments

R. A. Duff

Cambridge University Press
1991
pokkari
How can a system of criminal punishment be justified? In particular can it be justified if the moral demand that we respect each other as autonomous moral agents is taken seriously? Traditional attempts to justify punishment as a deterrent or as retribution fail, but Duff suggests that punishment can be understood as a communicative attempt to bring a wrong-doer to repent her crime. This account is supported by discussions of moral blame, of penance, of the nature of the law's demands, and of the proper meaning and purpose of the criminal process of trial and verdict: it deals both with the ideals that should inform a system of criminal law and the extent to which those ideals are actualised in existing institutions and practices. The conclusion is pessimistic: punishment cannot be justified within our legal system; and this gap between the ideal and the actual presents us with serious moral dilemmas.
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Philosophy and the Criminal Law

Philosophy and the Criminal Law

R. A. Duff

Cambridge University Press
1998
sidottu
Five pre-eminent legal theorists tackle a range of fundamental questions on the nature of the philosophy of criminal law. Their essays explore the extent to which and the ways in which our systems of criminal law can be seen as rational and principled. The essays discuss some of the principles by which, it is often thought, a system of law should be structured, and they ask whether our own systems are genuinely principled or riven by basic contradictions, reflecting deeper political and social conflicts. The volume as a whole shows how lively and exciting contemporary legal theory can be.
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European Futures

European Futures

Symes Susie; Williams Shirley; Duff Andrew

I.B. Tauris
2005
nidottu
This book saves you time, but it does not save you effort. It saves you time because it surveys many other scenarios excersises undertaken by governments, supranational and intergovernmental organisations, interest groups and think tanks, and gives you an overview of what Europe could look like in twenty years' time. But it does not save you effort because it makes you think. It makes you think because all the scenarios it offers are provocative. Like them or loathe them, they will cause you to sit up and think. Superstate Europ, where the EU concentrates on the West of Europe, a defended market forging ahead economically and social forces keeping the poor at the gates? Flexible Europe, open to all Eastern Europe and North Africa as well, with three groups of countries travelling 'flexibly' at different speeds towards increasingly distant goals? Europe adrift, where the Treaty of Nice is the last joint effort, and after that5 the spectre of disintegration? Federal Europe, where a constitution fixes who does what and the best (or worst) is realised? Are these the futures we want? If so, which, and why?
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Virginia Gazette Index, 1736-1780; 2

Virginia Gazette Index, 1736-1780; 2

Lester Jesse 1900- Cappon; Stella F. Duff

Hassell Street Press
2021
nidottu
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
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Whole Onflow

Whole Onflow

Gavin J. Andrews; Cameron Duff; Keith Woodward

TAYLOR FRANCIS LTD
2025
sidottu
This book describes ‘whole onflow’ which is, at once, the emergence and becoming of the entirety of the world/universe and any actual, unique position whatsoever in it ‘now’. A physical plane and self-organizing process that owes its energy to the big bang; in our region it now unfolding the infinitely complex and varied world we engage, contribute to and experienceThere have been many academic ideas on the nature of emergence and becoming in the world, including ideas on the world’s overall emergence and becoming. In this book we extend some of these ideas to conceptualise a physical plane incorporating all possible positions and local variability – all geographies - what we refer to as ‘whole onflow’. We answer some key questions including: What is the processual nature of whole onflow through which the world emerges and becomes in the moment? How might thinking in terms of whole onflow expand our ideas on the world’s productions from health, to aging to capitalism and beyond? How might this help us get to grips with today’s kinetic, energy-dependent, multi-textured, and process-ignorant world? The book lays out the broad theoretical landscape. It demonstrates how principles and processes established by physics and cosmology might be combined with principles and processes conveyed by social theory to describe the world in whole onflow.Dealing then with the very origins of all that is, and all that is social, the book is core reading for social scientists who like to think fundamentally. It is very much a speculative and provocative piece, but a necessary one, and will be of particular interest to those studying the world through poststructuralist, posthumanist, new materialist and non-representational theoretical lenses. Moving forward, certain scholars might follow the specific points of departure and pathways the book signposts. Others might choose to tread the new ground the book opens-up in their own ways.
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Quantum Structure of Space and Time

Quantum Structure of Space and Time

M. J. Duff; C. J. Isham

Cambridge University Press
2012
pokkari
This book was first published in 1982. It consists of selected contributions presented at the Nuffield Quantum Gravity Workshop held at Imperial College, London, in August 1981. The book is divided into three parts which correspond with the three separate themes pursued at the workshop. Part I is concerned with the geometrical and topological aspects of quantum gravity. Part II focuses on supergravity and its application to the Grand Unified Theories of elementary particles. Part III concentrates on the early universe and cosmology. The book, therefore, covers not only supergravity, but the whole spectrum of quantum gravity research.
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Silva Latina

Silva Latina

J. D. Duff

Cambridge University Press
2013
pokkari
Originally published in 1912 as part of the Pitt Press Series, this book contains selections from Roman authors, mostly of the Augustan period, intended to help students with relatively little experience in Latin gain familiarity with some of 'the chief masters of the language', as Duff says in his introduction. This book will be of value to anyone with an interest in Latin or in the history of classical education.
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Reading Biblical Greek

Reading Biblical Greek

Steffen G. Jenkins; Jeremy Duff

Cambridge University Press
2026
sidottu
Reading Biblical Greek is aimed at students who are studying New Testament Greek for the first time, or refreshing what they once learned. Designed to supplement and reinforce The Elements of New Testament Greek, by Jeremy Duff, each chapter of this textbook provides lengthy, plot-driven texts that will be accessible as students study each chapter of The Elements. Each text is accompanied by detailed questions, which test comprehension of content from recent lessons and review challenging topics from previous chapters. The graded nature of the texts, together with the copious notes and comprehension questions, makes this an ideal resource for learning, reviewing or re-entering Greek. The focus of this resource is on reading with understanding, and the exercises highlight how Greek texts convey meaning. Finally, this book moves on from first-year Greek, with sections that cover the most important advanced topics thoroughly.
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Reading Biblical Greek

Reading Biblical Greek

Steffen G. Jenkins; Jeremy Duff

Cambridge University Press
2026
pokkari
Reading Biblical Greek is aimed at students who are studying New Testament Greek for the first time, or refreshing what they once learned. Designed to supplement and reinforce The Elements of New Testament Greek, by Jeremy Duff, each chapter of this textbook provides lengthy, plot-driven texts that will be accessible as students study each chapter of The Elements. Each text is accompanied by detailed questions, which test comprehension of content from recent lessons and review challenging topics from previous chapters. The graded nature of the texts, together with the copious notes and comprehension questions, makes this an ideal resource for learning, reviewing or re-entering Greek. The focus of this resource is on reading with understanding, and the exercises highlight how Greek texts convey meaning. Finally, this book moves on from first-year Greek, with sections that cover the most important advanced topics thoroughly.
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Conversations About Being a Teacher

Conversations About Being a Teacher

McGuire J. Victor; Duff Carolyn S.

SAGE Publications Inc
2004
nidottu
`Reading each chapter brought me back to why I chose this profession and why I must stay. . . . The book can easily be read in one sitting although I recommend using each chapter as topics for reflection and introspection. This is one of those books I plan to keep and reread each time the going gets tough' Marta Cruz-Janzen, Associate Professor Florida Atlantic University This thoughtful volume about becoming a teacher is structured as a series of reflective conversations between a young woman about to begin her first year as a school teacher. Readers will find themselves effortlessly drawn into these fascinating dialogues that encourage them to reflect on, reexamine, and refine what they believe to be the elements of good teaching and the characteristics of good teachers: Mission and Vision; Expectations; Caring; Commitment; Respect; Observation, Cultural Awareness; Balance; Teambuilding; Growth and Knowledge. The writing style is highly readable and engaging, and the conversations extend from educational theory through practical classroom strategies and teaching models. This volume will challenge beginning teachers to think about how they can become the teachers they want to be and will revitalize veteran teachers by reminding them of the reasons and desires that compelled them to teach in the first place. An eclectic list of suggested readings rounds out the volume and a detailed index allows access to core topics covered throughout the text.
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