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A Course on Hopf Algebras

A Course on Hopf Algebras

Paperback

Series: Universitext

AlgebraGeneral Mathematics

Currently unavailable to order

ISBN10: 3031263057
ISBN13: 9783031263057
Publisher: Springer
Published: Apr 15 2023
Pages: 165
Weight: 0.60
Height: 0.47 Width: 5.91 Depth: 9.13
Language: English

This textbook provides a concise, visual introduction to Hopf algebras and their application to knot theory, most notably the construction of solutions of the Yang-Baxter equations.

Starting with a reformulation of the definition of a group in terms of structural maps as motivation for the definition of a Hopf algebra, the book introduces the related algebraic notions: algebras, coalgebras, bialgebras, convolution algebras, modules, comodules. Next, Drinfel'd's quantum double construction is achieved through the important notion of the restricted (or finite) dual of a Hopf algebra, which allows one to work purely algebraically, without completions. As a result, in applications to knot theory, to any Hopf algebra with invertible antipode one can associate a universal invariant of long knots. These constructions are elucidated in detailed analyses of a few examples of Hopf algebras.

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Algebra