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Author: Ian Chiswell
Publisher: World Scientific
ISBN: 9789812810533
Category : Mathematics
Languages : en
Pages : 336
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Book Description
The theory of o-trees has its origin in the work of Lyndon on length functions in groups. The first definition of an R -tree was given by Tits in 1977. The importance of o-trees was established by Morgan and Shalen, who showed how to compactify a generalisation of Teichmller space for a finitely generated group using R -trees. In that work they were led to define the idea of a o-tree, where o is an arbitrary ordered abelian group. Since then there has been much progress in understanding the structure of groups acting on R -trees, notably Rips'' theorem on free actions. There has also been some progress for certain other ordered abelian groups o, including some interesting connections with model theory. Introduction to o-Trees will prove to be useful for mathematicians and research students in algebra and topology. Contents: o-Trees and Their Construction; Isometries of o-Trees; Aspects of Group Actions on o-Trees; Free Actions; Rips'' Theorem. Readership: Mathematicians and research students in algebra and topology."
![Introduction to [lambda]-trees PDF](https://books.google.com/books/content/images/frontcover/mtOrMHHDMZgC?fife=w80-h100)
Author: Ian Chiswell
Publisher: World Scientific
ISBN: 9789812810533
Category : Mathematics
Languages : en
Pages : 336
Get Book Here
Book Description
The theory of o-trees has its origin in the work of Lyndon on length functions in groups. The first definition of an R -tree was given by Tits in 1977. The importance of o-trees was established by Morgan and Shalen, who showed how to compactify a generalisation of Teichmller space for a finitely generated group using R -trees. In that work they were led to define the idea of a o-tree, where o is an arbitrary ordered abelian group. Since then there has been much progress in understanding the structure of groups acting on R -trees, notably Rips'' theorem on free actions. There has also been some progress for certain other ordered abelian groups o, including some interesting connections with model theory. Introduction to o-Trees will prove to be useful for mathematicians and research students in algebra and topology. Contents: o-Trees and Their Construction; Isometries of o-Trees; Aspects of Group Actions on o-Trees; Free Actions; Rips'' Theorem. Readership: Mathematicians and research students in algebra and topology."
![Introduction to [lambda]-trees PDF](https://books.google.com/books/content/images/frontcover/7FJqDQAAQBAJ?fife=w80-h100)
Author: Ian Chiswell
Publisher: World Scientific
ISBN: 9810243863
Category : Mathematics
Languages : en
Pages : 327
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Book Description
The theory of ?-trees has its origin in the work of Lyndon on length functions in groups. The first definition of an R-tree was given by Tits in 1977. The importance of ?-trees was established by Morgan and Shalen, who showed how to compactify a generalisation of TeichmÂller space for a finitely generated group using R-trees. In that work they were led to define the idea of a ?-tree, where ? is an arbitrary ordered abelian group. Since then there has been much progress in understanding the structure of groups acting on R-trees, notably Rips' theorem on free actions. There has also been some progress for certain other ordered abelian groups ?, including some interesting connections with model theory.Introduction to ?-Trees will prove to be useful for mathematicians and research students in algebra and topology.
Author: Greg Michaelson
Publisher: Courier Corporation
ISBN: 0486280292
Category : Mathematics
Languages : en
Pages : 338
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Book Description
Well-respected text for computer science students provides an accessible introduction to functional programming. Cogent examples illuminate the central ideas, and numerous exercises offer reinforcement. Includes solutions. 1989 edition.
Author: J. Roger Hindley
Publisher: Cambridge University Press
ISBN: 9780521898850
Category : Computers
Languages : en
Pages : 358
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Book Description
Combinatory logic and lambda-calculus, originally devised in the 1920's, have since developed into linguistic tools, especially useful in programming languages. The authors' previous book served as the main reference for introductory courses on lambda-calculus for over 20 years: this long-awaited new version is thoroughly revised and offers a fully up-to-date account of the subject, with the same authoritative exposition. The grammar and basic properties of both combinatory logic and lambda-calculus are discussed, followed by an introduction to type-theory. Typed and untyped versions of the systems, and their differences, are covered. Lambda-calculus models, which lie behind much of the semantics of programming languages, are also explained in depth. The treatment is as non-technical as possible, with the main ideas emphasized and illustrated by examples. Many exercises are included, from routine to advanced, with solutions to most at the end of the book.
Author: David Kueker
Publisher: CRC Press
ISBN: 1000111512
Category : Mathematics
Languages : en
Pages :
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Book Description
Mathematical Logic and Theoretical Computer Science covers various topics ranging from recursion theory to Zariski topoi. Leading international authorities discuss selected topics in a number of areas, including denotational semanitcs, reccuriosn theoretic aspects fo computer science, model theory and algebra, Automath and automated reasoning, stability theory, topoi and mathematics, and topoi and logic. The most up-to-date review available in its field, Mathematical Logic and Theoretical Computer Science will be of interest to mathematical logicians, computer scientists, algebraists, algebraic geometers, differential geometers, differential topologists, and graduate students in mathematics and computer science.
Author: Peter Selinger
Publisher:
ISBN: 9780359158850
Category : Science
Languages : en
Pages : 108
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Book Description
This is a set of lecture notes that developed out of courses on the lambda calculus that the author taught at the University of Ottawa in 2001 and at Dalhousie University in 2007 and 2013. Topics covered in these notes include the untyped lambda calculus, the Church-Rosser theorem, combinatory algebras, the simply-typed lambda calculus, the Curry-Howard isomorphism, weak and strong normalization, polymorphism, type inference, denotational semantics, complete partial orders, and the language PCF.
Author: R.P. Nederpelt
Publisher: Elsevier
ISBN: 008088718X
Category : Mathematics
Languages : en
Pages : 1045
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Book Description
The present volume contains a considered choice of the existing literature on Automath. Many of the papers included in the book have been published in journals or conference proceedings, but a number have only circulated as research reports or have remained unpublished. The aim of the editors is to present a representative selection of existing articles and reports and of material contained in dissertations, giving a compact and more or less complete overview of the work that has been done in the Automath research field, from the beginning to the present day. Six different areas have been distinguished, which correspond to Parts A to F of the book. These areas range from general ideas and motivation, to detailed syntactical investigations.
Author: Henk Barendregt
Publisher: Cambridge University Press
ISBN: 1107276349
Category : Mathematics
Languages : en
Pages : 969
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Book Description
This handbook with exercises reveals in formalisms, hitherto mainly used for hardware and software design and verification, unexpected mathematical beauty. The lambda calculus forms a prototype universal programming language, which in its untyped version is related to Lisp, and was treated in the first author's classic The Lambda Calculus (1984). The formalism has since been extended with types and used in functional programming (Haskell, Clean) and proof assistants (Coq, Isabelle, HOL), used in designing and verifying IT products and mathematical proofs. In this book, the authors focus on three classes of typing for lambda terms: simple types, recursive types and intersection types. It is in these three formalisms of terms and types that the unexpected mathematical beauty is revealed. The treatment is authoritative and comprehensive, complemented by an exhaustive bibliography, and numerous exercises are provided to deepen the readers' understanding and increase their confidence using types.
Author: Tetsuo Ida
Publisher: World Scientific
ISBN: 9814546690
Category :
Languages : en
Pages : 330
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Book Description
This book discusses issues concerning functional programming, logic programming, and integration of the two. The topics include language design, formal semantics, compilation techniques, program transformation, programming methods, integration of programming paradigms, constraint solving, and concurrency.
Author: Max Hailperin
Publisher: Max Hailperin
ISBN: 0534952119
Category : Abstract data types (Computer science).
Languages : en
Pages : 686
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Book Description
CONCRETE ABSTRACTIONS offers students a hands-on, abstraction-based experience of thinking like a computer scientist. This text covers the basics of programming and data structures, and gives first-time computer science students the opportunity to not only write programs, but to prove theorems and analyze algorithms as well. Students learn a variety of programming styles, including functional programming, assembly-language programming, and object-oriented programming (OOP). While most of the book uses the Scheme programming language, Java is introduced at the end as a second example of an OOP system and to demonstrate concepts of concurrent programming.
