Purity, Spectra and Localisation

Purity, Spectra and Localisation

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Description

It is possible to associate a topological space to the category of modules over any ring. This space, the Ziegler spectrum, is based on the indecomposable pure-injective modules. Although the Ziegler spectrum arose within the model theory of modules and plays a central role in that subject, this book concentrates specifically on its algebraic aspects and uses. The central aim is to understand modules and the categories they form through associated structures and dimensions, which reflect the complexity of these, and similar, categories. The structures and dimensions considered arise particularly through the application of model-theoretic and functor-category ideas and methods. Purity and associated notions are central, localisation is an ever-present theme and various types of spectrum play organising roles. This book presents a unified, coherent account of material which is often presented from very different viewpoints and clarifies the relationships between these various approaches.show more

Product details

  • Electronic book text
  • CAMBRIDGE UNIVERSITY PRESS
  • Cambridge University Press (Virtual Publishing)
  • Cambridge, United Kingdom
  • 1139632957
  • 9781139632959

About Mike Prest

Mike Prest is Professor of Pure Mathematics at the University of Manchester.show more

Table of contents

Preface; Introduction; Part I. Modules: 1. Pp conditions; 2. Purity; 3. Pp pairs and definable subcategories; 4. Pp-types and pure-injectivity; 5. The Ziegler spectrum; 6. Rings of definable scalars; 7. m-dimension and width; 8. Examples; 9. Ideals in mod-R; A. Model theory; Part II. Functors: 10. Finitely presented functors; 11. Serre subcategories and localisation; 12. The Ziegler spectrum and injective functors; 13. Dimensions; 14. The Zariski spectrum and the sheaf of definable scalars; 15. Artin algebras; 16. Finitely accessible and presentable additive categories; 17. Spectra of triangulated categories; B. Languages for definable categories; C. A model theory/functor category dictionary; Part III. Definable categories: 18. Definable categories and interpretation functors; D. Model theory of modules: an update; E. Glossary; Main examples; Bibliography; Index.show more

Review quote

'This book is an account of a fruitful interaction between algebra, mathematical logic, and category theory. ... provides relevant background material and a wealth of illustrative examples. An extensive index and thorough referencing also make this book an ideal, comprehensive reference.' L'Enseignement Mathematique 'This very interesting book is written so that it will be useful for graduate students and experienced researchers. It is worth to be mentioned that Mike Prest introduced in this book some very useful appendixes which come to help the reader to become familiar with the language of model theory. The book contains a lot of illuminating examples which are also very helpful for the reader.' Zentralblatt MATHshow more