Operads

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Algebraic Operads

Author : Jean-Louis Loday
Publisher : Springer Science & Business Media
ISBN 13 : 3642303625
Total Pages : 649 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Algebraic Operads by : Jean-Louis Loday

Download or read book Algebraic Operads written by Jean-Louis Loday and published by Springer Science & Business Media. This book was released on 2012-08-08 with total page 649 pages. Available in PDF, EPUB and Kindle. Book excerpt: In many areas of mathematics some “higher operations” are arising. These havebecome so important that several research projects refer to such expressions. Higher operationsform new types of algebras. The key to understanding and comparing them, to creating invariants of their action is operad theory. This is a point of view that is 40 years old in algebraic topology, but the new trend is its appearance in several other areas, such as algebraic geometry, mathematical physics, differential geometry, and combinatorics. The present volume is the first comprehensive and systematic approach to algebraic operads. An operad is an algebraic device that serves to study all kinds of algebras (associative, commutative, Lie, Poisson, A-infinity, etc.) from a conceptual point of view. The book presents this topic with an emphasis on Koszul duality theory. After a modern treatment of Koszul duality for associative algebras, the theory is extended to operads. Applications to homotopy algebra are given, for instance the Homotopy Transfer Theorem. Although the necessary notions of algebra are recalled, readers are expected to be familiar with elementary homological algebra. Each chapter ends with a helpful summary and exercises. A full chapter is devoted to examples, and numerous figures are included. After a low-level chapter on Algebra, accessible to (advanced) undergraduate students, the level increases gradually through the book. However, the authors have done their best to make it suitable for graduate students: three appendices review the basic results needed in order to understand the various chapters. Since higher algebra is becoming essential in several research areas like deformation theory, algebraic geometry, representation theory, differential geometry, algebraic combinatorics, and mathematical physics, the book can also be used as a reference work by researchers.

Operads in Algebra, Topology and Physics

Author : Martin Markl
Publisher : American Mathematical Soc.
ISBN 13 : 0821843621
Total Pages : 362 pages
Book Rating : 4.8/5 (218 download)

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Book Synopsis Operads in Algebra, Topology and Physics by : Martin Markl

Download or read book Operads in Algebra, Topology and Physics written by Martin Markl and published by American Mathematical Soc.. This book was released on 2002 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: Operads are mathematical devices which describe algebraic structures of many varieties and in various categories. From their beginnings in the 1960s, they have developed to encompass such areas as combinatorics, knot theory, moduli spaces, string field theory and deformation quantization.

Nonsymmetric Operads in Combinatorics

Author : Samuele Giraudo
Publisher : Springer
ISBN 13 : 3030020746
Total Pages : 176 pages
Book Rating : 4.0/5 (3 download)

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Book Synopsis Nonsymmetric Operads in Combinatorics by : Samuele Giraudo

Download or read book Nonsymmetric Operads in Combinatorics written by Samuele Giraudo and published by Springer. This book was released on 2019-01-04 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: Operads are algebraic devices offering a formalization of the concept of operations with several inputs and one output. Such operations can be naturally composed to form more complex ones. Coming historically from algebraic topology, operads intervene now as important objects in computer science and in combinatorics. A lot of operads involving combinatorial objects highlight some of their properties and allow to discover new ones. This book portrays the main elements of this theory under a combinatorial point of view and exposes the links it maintains with computer science and combinatorics. Examples of operads appearing in combinatorics are studied. The modern treatment of operads consisting in considering the space of formal power series associated with an operad is developed. Enrichments of nonsymmetric operads as colored, cyclic, and symmetric operads are reviewed.

Colored Operads

Author : Donald Yau
Publisher : American Mathematical Soc.
ISBN 13 : 1470427230
Total Pages : 458 pages
Book Rating : 4.4/5 (74 download)

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Book Synopsis Colored Operads by : Donald Yau

Download or read book Colored Operads written by Donald Yau and published by American Mathematical Soc.. This book was released on 2016-02-29 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subject of this book is the theory of operads and colored operads, sometimes called symmetric multicategories. A (colored) operad is an abstract object which encodes operations with multiple inputs and one output and relations between such operations. The theory originated in the early 1970s in homotopy theory and quickly became very important in algebraic topology, algebra, algebraic geometry, and even theoretical physics (string theory). Topics covered include basic graph theory, basic category theory, colored operads, and algebras over colored operads. Free colored operads are discussed in complete detail and in full generality. The intended audience of this book includes students and researchers in mathematics and other sciences where operads and colored operads are used. The prerequisite for this book is minimal. Every major concept is thoroughly motivated. There are many graphical illustrations and about 150 exercises. This book can be used in a graduate course and for independent study.

Homotopy of Operads and Grothendieck-Teichmuller Groups

Author : Benoit Fresse
Publisher : American Mathematical Soc.
ISBN 13 : 1470434814
Total Pages : 581 pages
Book Rating : 4.4/5 (74 download)

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Book Synopsis Homotopy of Operads and Grothendieck-Teichmuller Groups by : Benoit Fresse

Download or read book Homotopy of Operads and Grothendieck-Teichmuller Groups written by Benoit Fresse and published by American Mathematical Soc.. This book was released on 2017-04-21 with total page 581 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Grothendieck–Teichmüller group was defined by Drinfeld in quantum group theory with insights coming from the Grothendieck program in Galois theory. The ultimate goal of this book is to explain that this group has a topological interpretation as a group of homotopy automorphisms associated to the operad of little 2-discs, which is an object used to model commutative homotopy structures in topology. This volume gives a comprehensive survey on the algebraic aspects of this subject. The book explains the definition of an operad in a general context, reviews the definition of the little discs operads, and explains the definition of the Grothendieck–Teichmüller group from the viewpoint of the theory of operads. In the course of this study, the relationship between the little discs operads and the definition of universal operations associated to braided monoidal category structures is explained. Also provided is a comprehensive and self-contained survey of the applications of Hopf algebras to the definition of a rationalization process, the Malcev completion, for groups and groupoids. Most definitions are carefully reviewed in the book; it requires minimal prerequisites to be accessible to a broad readership of graduate students and researchers interested in the applications of operads.

Higher Operads, Higher Categories

Author : Tom Leinster
Publisher : Cambridge University Press
ISBN 13 : 0521532159
Total Pages : 451 pages
Book Rating : 4.5/5 (215 download)

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Book Synopsis Higher Operads, Higher Categories by : Tom Leinster

Download or read book Higher Operads, Higher Categories written by Tom Leinster and published by Cambridge University Press. This book was released on 2004-07-22 with total page 451 pages. Available in PDF, EPUB and Kindle. Book excerpt: Foundations of higher dimensional category theory for graduate students and researchers in mathematics and mathematical physics.

Set Operads in Combinatorics and Computer Science

Author : Miguel A. Méndez
Publisher : Springer
ISBN 13 : 3319117130
Total Pages : 139 pages
Book Rating : 4.3/5 (191 download)

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Book Synopsis Set Operads in Combinatorics and Computer Science by : Miguel A. Méndez

Download or read book Set Operads in Combinatorics and Computer Science written by Miguel A. Méndez and published by Springer. This book was released on 2015-01-08 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph has two main objectives. The first one is to give a self-contained exposition of the relevant facts about set operads, in the context of combinatorial species and its operations. This approach has various advantages: one of them is that the definition of combinatorial operations on species, product, sum, substitution and derivative, are simple and natural. They were designed as the set theoretical counterparts of the homonym operations on exponential generating functions, giving an immediate insight on the combinatorial meaning of them. The second objective is more ambitious. Before formulating it, authors present a brief historic account on the sources of decomposition theory. For more than forty years decompositions of discrete structures have been studied in different branches of discrete mathematics: combinatorial optimization, network and graph theory, switching design or boolean functions, simple multi-person games and clutters, etc.

Infinity Operads And Monoidal Categories With Group Equivariance

Author : Donald Yau
Publisher : World Scientific
ISBN 13 : 9811250944
Total Pages : 486 pages
Book Rating : 4.8/5 (112 download)

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Book Synopsis Infinity Operads And Monoidal Categories With Group Equivariance by : Donald Yau

Download or read book Infinity Operads And Monoidal Categories With Group Equivariance written by Donald Yau and published by World Scientific. This book was released on 2021-12-02 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph provides a coherent development of operads, infinity operads, and monoidal categories, equipped with equivariant structures encoded by an action operad. A group operad is a planar operad with an action operad equivariant structure. In the first three parts of this monograph, we establish a foundation for group operads and for their higher coherent analogues called infinity group operads. Examples include planar, symmetric, braided, ribbon, and cactus operads, and their infinity analogues. For example, with the tools developed here, we observe that the coherent ribbon nerve of the universal cover of the framed little 2-disc operad is an infinity ribbon operad.In Part 4 we define general monoidal categories equipped with an action operad equivariant structure and provide a unifying treatment of coherence and strictification for them. Examples of such monoidal categories include symmetric, braided, ribbon, and coboundary monoidal categories, which naturally arise in the representation theory of quantum groups and of coboundary Hopf algebras and in the theory of crystals of finite dimensional complex reductive Lie algebras.

Operads of Wiring Diagrams

Author : Donald Yau
Publisher : Springer
ISBN 13 : 3319950010
Total Pages : 302 pages
Book Rating : 4.3/5 (199 download)

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Book Synopsis Operads of Wiring Diagrams by : Donald Yau

Download or read book Operads of Wiring Diagrams written by Donald Yau and published by Springer. This book was released on 2018-09-19 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wiring diagrams form a kind of graphical language that describes operations or processes with multiple inputs and outputs, and shows how such operations are wired together to form a larger and more complex operation. This monograph presents a comprehensive study of the combinatorial structure of the various operads of wiring diagrams, their algebras, and the relationships between these operads. The book proves finite presentation theorems for operads of wiring diagrams as well as their algebras. These theorems describe the operad in terms of just a few operadic generators and a small number of generating relations. The author further explores recent trends in the application of operad theory to wiring diagrams and related structures, including finite presentations for the propagator algebra, the algebra of discrete systems, the algebra of open dynamical systems, and the relational algebra. A partial verification of David Spivak’s conjecture regarding the quotient-freeness of the relational algebra is also provided. In the final part, the author constructs operad maps between the various operads of wiring diagrams and identifies their images. Assuming only basic knowledge of algebra, combinatorics, and set theory, this book is aimed at advanced undergraduate and graduate students as well as researchers working in operad theory and its applications. Numerous illustrations, examples, and practice exercises are included, making this a self-contained volume suitable for self-study.

Modules over Operads and Functors

Author : Benoit Fresse
Publisher : Springer
ISBN 13 : 3540890564
Total Pages : 304 pages
Book Rating : 4.5/5 (48 download)

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Book Synopsis Modules over Operads and Functors by : Benoit Fresse

Download or read book Modules over Operads and Functors written by Benoit Fresse and published by Springer. This book was released on 2009-04-20 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph presents a review of the basis of operad theory. It also studies structures of modules over operads as a new device to model functors between categories of algebras as effectively as operads model categories of algebras.

Dialgebras and Related Operads

Author : J.-L. Loday
Publisher : Springer
ISBN 13 : 3540453288
Total Pages : 138 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Dialgebras and Related Operads by : J.-L. Loday

Download or read book Dialgebras and Related Operads written by J.-L. Loday and published by Springer. This book was released on 2003-07-01 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main object of study of these four papers is the notion of associative dialgebras which are algebras equipped with two associative operations satisfying some more relations of the associative type. This notion is studied from a) the homological point of view: construction of the (co)homology theory with trivial coefficients and general coefficients, b) the operadic point of view: determination of the dual operad, that is the dendriform dialgebras which are strongly related with the planar binary trees, c) the algebraic point of view: Hopf structure and Milnor-Moore type theorem.

Operads And Universal Algebra - Proceedings Of The International Conference

Author : Chengming Bai
Publisher : World Scientific
ISBN 13 : 9814458333
Total Pages : 318 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Operads And Universal Algebra - Proceedings Of The International Conference by : Chengming Bai

Download or read book Operads And Universal Algebra - Proceedings Of The International Conference written by Chengming Bai and published by World Scientific. This book was released on 2012-02-23 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book aims to exemplify the recent developments in operad theory, in universal algebra and related topics in algebraic topology and theoretical physics. The conference has established a better connection between mathematicians working on operads (mainly the French team) and mathematicians working in universal algebra (primarily the Chinese team), and to exchange problems, methods and techniques from these two subject areas.

Algebraic Operads

Author : Murray R. Bremner
Publisher : CRC Press
ISBN 13 : 1482248573
Total Pages : 382 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Algebraic Operads by : Murray R. Bremner

Download or read book Algebraic Operads written by Murray R. Bremner and published by CRC Press. This book was released on 2016-04-06 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a systematic treatment of Grobner bases in several contexts. The book builds up to the theory of Grobner bases for operads due to the second author and Khoroshkin as well as various applications of the corresponding diamond lemmas in algebra. Throughout the book, both the mathematical theory and computational methods are emphasized and numerous algorithms, examples, and exercises are provided to clarify and illustrate the concrete meaning of abstract theory.

Formality of the Little $N$-disks Operad

Author : Pascal Lambrechts
Publisher : American Mathematical Soc.
ISBN 13 : 0821892126
Total Pages : 130 pages
Book Rating : 4.8/5 (218 download)

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Book Synopsis Formality of the Little $N$-disks Operad by : Pascal Lambrechts

Download or read book Formality of the Little $N$-disks Operad written by Pascal Lambrechts and published by American Mathematical Soc.. This book was released on 2014-06-05 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: The little -disks operad, , along with its variants, is an important tool in homotopy theory. It is defined in terms of configurations of disjoint -dimensional disks inside the standard unit disk in and it was initially conceived for detecting and understanding -fold loop spaces. Its many uses now stretch across a variety of disciplines including topology, algebra, and mathematical physics. In this paper, the authors develop the details of Kontsevich's proof of the formality of little -disks operad over the field of real numbers. More precisely, one can consider the singular chains on as well as the singular homology of . These two objects are operads in the category of chain complexes. The formality then states that there is a zig-zag of quasi-isomorphisms connecting these two operads. The formality also in some sense holds in the category of commutative differential graded algebras. The authors additionally prove a relative version of the formality for the inclusion of the little -disks operad in the little -disks operad when .

Quantization, Poisson Brackets and Beyond

Author : Theodore Voronov
Publisher : American Mathematical Soc.
ISBN 13 : 0821832018
Total Pages : 290 pages
Book Rating : 4.8/5 (218 download)

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Book Synopsis Quantization, Poisson Brackets and Beyond by : Theodore Voronov

Download or read book Quantization, Poisson Brackets and Beyond written by Theodore Voronov and published by American Mathematical Soc.. This book was released on 2002 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers in this volume are based on talks given at the 2001 Manchester Meeting of the London Mathematical Society, which was followed by an international workshop on Quantization, Deformations, and New Homological and Categorical Methods in Mathematical Physics. Focus is on the topics suggested by the title: quantization in its various aspects, Poisson brackets and generalizations, and structures beyond'' this, including symplectic supermanifolds, operads, Lie groupoids and Lie (bi)algebroids, and algebras with $n$-ary operations. The book offers accounts of up-to-date results as well as accessible expositions aimed at a broad reading audience of researchers in differential geometry, algebraic topology and mathematical physics.

Geometry and Dynamics of Groups and Spaces

Author : Mikhail Kapranov
Publisher : Springer Science & Business Media
ISBN 13 : 3764386088
Total Pages : 759 pages
Book Rating : 4.7/5 (643 download)

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Book Synopsis Geometry and Dynamics of Groups and Spaces by : Mikhail Kapranov

Download or read book Geometry and Dynamics of Groups and Spaces written by Mikhail Kapranov and published by Springer Science & Business Media. This book was released on 2008-03-05 with total page 759 pages. Available in PDF, EPUB and Kindle. Book excerpt: Alexander Reznikov (1960-2003) was a brilliant and highly original mathematician. This book presents 18 articles by prominent mathematicians and is dedicated to his memory. In addition it contains an influential, so far unpublished manuscript by Reznikov of book length. The book further provides an extensive survey on Kleinian groups in higher dimensions and some articles centering on Reznikov as a person.

Coxeter Bialgebras

Author : Marcelo Aguiar
Publisher : Cambridge University Press
ISBN 13 : 100924373X
Total Pages : 897 pages
Book Rating : 4.0/5 (92 download)

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Book Synopsis Coxeter Bialgebras by : Marcelo Aguiar

Download or read book Coxeter Bialgebras written by Marcelo Aguiar and published by Cambridge University Press. This book was released on 2022-10-31 with total page 897 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this monograph is to develop Hopf theory in the setting of a real reflection arrangement. The central notion is that of a Coxeter bialgebra which generalizes the classical notion of a connected graded Hopf algebra. The authors also introduce the more structured notion of a Coxeter bimonoid and connect the two notions via a family of functors called Fock functors. These generalize similar functors connecting Hopf monoids in the category of Joyal species and connected graded Hopf algebras. This monograph opens a new chapter in Coxeter theory as well as in Hopf theory, connecting the two. It also relates fruitfully to many other areas of mathematics such as discrete geometry, semigroup theory, associative algebras, algebraic Lie theory, operads, and category theory. It is carefully written, with effective use of tables, diagrams, pictures, and summaries. It will be of interest to students and researchers alike.