Elements Of Category Theory
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Author |
: Emily Riehl |
Publisher |
: Cambridge University Press |
Total Pages |
: 782 |
Release |
: 2022-02-10 |
ISBN-10 |
: 9781108952194 |
ISBN-13 |
: 1108952194 |
Rating |
: 4/5 (94 Downloads) |
Synopsis Elements of ∞-Category Theory by : Emily Riehl
The language of ∞-categories provides an insightful new way of expressing many results in higher-dimensional mathematics but can be challenging for the uninitiated. To explain what exactly an ∞-category is requires various technical models, raising the question of how they might be compared. To overcome this, a model-independent approach is desired, so that theorems proven with any model would apply to them all. This text develops the theory of ∞-categories from first principles in a model-independent fashion using the axiomatic framework of an ∞-cosmos, the universe in which ∞-categories live as objects. An ∞-cosmos is a fertile setting for the formal category theory of ∞-categories, and in this way the foundational proofs in ∞-category theory closely resemble the classical foundations of ordinary category theory. Equipped with exercises and appendices with background material, this first introduction is meant for students and researchers who have a strong foundation in classical 1-category theory.
Author |
: Emily Riehl |
Publisher |
: Courier Dover Publications |
Total Pages |
: 273 |
Release |
: 2017-03-09 |
ISBN-10 |
: 9780486820804 |
ISBN-13 |
: 0486820807 |
Rating |
: 4/5 (04 Downloads) |
Synopsis Category Theory in Context by : Emily Riehl
Introduction to concepts of category theory — categories, functors, natural transformations, the Yoneda lemma, limits and colimits, adjunctions, monads — revisits a broad range of mathematical examples from the categorical perspective. 2016 edition.
Author |
: Tom Leinster |
Publisher |
: Cambridge University Press |
Total Pages |
: 193 |
Release |
: 2014-07-24 |
ISBN-10 |
: 9781107044241 |
ISBN-13 |
: 1107044243 |
Rating |
: 4/5 (41 Downloads) |
Synopsis Basic Category Theory by : Tom Leinster
A short introduction ideal for students learning category theory for the first time.
Author |
: Emily Riehl |
Publisher |
: Cambridge University Press |
Total Pages |
: 371 |
Release |
: 2014-05-26 |
ISBN-10 |
: 9781139952637 |
ISBN-13 |
: 1139952633 |
Rating |
: 4/5 (37 Downloads) |
Synopsis Categorical Homotopy Theory by : Emily Riehl
This book develops abstract homotopy theory from the categorical perspective with a particular focus on examples. Part I discusses two competing perspectives by which one typically first encounters homotopy (co)limits: either as derived functors definable when the appropriate diagram categories admit a compatible model structure, or through particular formulae that give the right notion in certain examples. Emily Riehl unifies these seemingly rival perspectives and demonstrates that model structures on diagram categories are irrelevant. Homotopy (co)limits are explained to be a special case of weighted (co)limits, a foundational topic in enriched category theory. In Part II, Riehl further examines this topic, separating categorical arguments from homotopical ones. Part III treats the most ubiquitous axiomatic framework for homotopy theory - Quillen's model categories. Here, Riehl simplifies familiar model categorical lemmas and definitions by focusing on weak factorization systems. Part IV introduces quasi-categories and homotopy coherence.
Author |
: David I. Spivak |
Publisher |
: MIT Press |
Total Pages |
: 495 |
Release |
: 2014-10-17 |
ISBN-10 |
: 9780262320535 |
ISBN-13 |
: 0262320533 |
Rating |
: 4/5 (35 Downloads) |
Synopsis Category Theory for the Sciences by : David I. Spivak
An introduction to category theory as a rigorous, flexible, and coherent modeling language that can be used across the sciences. Category theory was invented in the 1940s to unify and synthesize different areas in mathematics, and it has proven remarkably successful in enabling powerful communication between disparate fields and subfields within mathematics. This book shows that category theory can be useful outside of mathematics as a rigorous, flexible, and coherent modeling language throughout the sciences. Information is inherently dynamic; the same ideas can be organized and reorganized in countless ways, and the ability to translate between such organizational structures is becoming increasingly important in the sciences. Category theory offers a unifying framework for information modeling that can facilitate the translation of knowledge between disciplines. Written in an engaging and straightforward style, and assuming little background in mathematics, the book is rigorous but accessible to non-mathematicians. Using databases as an entry to category theory, it begins with sets and functions, then introduces the reader to notions that are fundamental in mathematics: monoids, groups, orders, and graphs—categories in disguise. After explaining the “big three” concepts of category theory—categories, functors, and natural transformations—the book covers other topics, including limits, colimits, functor categories, sheaves, monads, and operads. The book explains category theory by examples and exercises rather than focusing on theorems and proofs. It includes more than 300 exercises, with solutions. Category Theory for the Sciences is intended to create a bridge between the vast array of mathematical concepts used by mathematicians and the models and frameworks of such scientific disciplines as computation, neuroscience, and physics.
Author |
: Gregory Maxwell Kelly |
Publisher |
: CUP Archive |
Total Pages |
: 260 |
Release |
: 1982-02-18 |
ISBN-10 |
: 0521287022 |
ISBN-13 |
: 9780521287029 |
Rating |
: 4/5 (22 Downloads) |
Synopsis Basic Concepts of Enriched Category Theory by : Gregory Maxwell Kelly
Author |
: Birgit Richter |
Publisher |
: Cambridge University Press |
Total Pages |
: 402 |
Release |
: 2020-04-16 |
ISBN-10 |
: 9781108847629 |
ISBN-13 |
: 1108847625 |
Rating |
: 4/5 (29 Downloads) |
Synopsis From Categories to Homotopy Theory by : Birgit Richter
Category theory provides structure for the mathematical world and is seen everywhere in modern mathematics. With this book, the author bridges the gap between pure category theory and its numerous applications in homotopy theory, providing the necessary background information to make the subject accessible to graduate students or researchers with a background in algebraic topology and algebra. The reader is first introduced to category theory, starting with basic definitions and concepts before progressing to more advanced themes. Concrete examples and exercises illustrate the topics, ranging from colimits to constructions such as the Day convolution product. Part II covers important applications of category theory, giving a thorough introduction to simplicial objects including an account of quasi-categories and Segal sets. Diagram categories play a central role throughout the book, giving rise to models of iterated loop spaces, and feature prominently in functor homology and homology of small categories.
Author |
: Saunders Mac Lane |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 320 |
Release |
: 2013-04-17 |
ISBN-10 |
: 9781475747218 |
ISBN-13 |
: 1475747217 |
Rating |
: 4/5 (18 Downloads) |
Synopsis Categories for the Working Mathematician by : Saunders Mac Lane
An array of general ideas useful in a wide variety of fields. Starting from the foundations, this book illuminates the concepts of category, functor, natural transformation, and duality. It then turns to adjoint functors, which provide a description of universal constructions, an analysis of the representations of functors by sets of morphisms, and a means of manipulating direct and inverse limits. These categorical concepts are extensively illustrated in the remaining chapters, which include many applications of the basic existence theorem for adjoint functors. The categories of algebraic systems are constructed from certain adjoint-like data and characterised by Beck's theorem. After considering a variety of applications, the book continues with the construction and exploitation of Kan extensions. This second edition includes a number of revisions and additions, including new chapters on topics of active interest: symmetric monoidal categories and braided monoidal categories, and the coherence theorems for them, as well as 2-categories and the higher dimensional categories which have recently come into prominence.
Author |
: Brendan Fong |
Publisher |
: Cambridge University Press |
Total Pages |
: 351 |
Release |
: 2019-07-18 |
ISBN-10 |
: 9781108482295 |
ISBN-13 |
: 1108482295 |
Rating |
: 4/5 (95 Downloads) |
Synopsis An Invitation to Applied Category Theory by : Brendan Fong
Category theory reveals commonalities between structures of all sorts. This book shows its potential in science, engineering, and beyond.
Author |
: G.M. Kelly |
Publisher |
: Springer |
Total Pages |
: 386 |
Release |
: 2006-11-15 |
ISBN-10 |
: 9783540372707 |
ISBN-13 |
: 3540372709 |
Rating |
: 4/5 (07 Downloads) |
Synopsis Category Seminar by : G.M. Kelly