Hopf algebras and root systems / István Heckenberger, Hans-Jürgen Schneider.

This book is an introduction to Hopf algebras in braided monoidal categories with applications to Hopf algebras in the usual sense. The main goal of the book is to present from scratch and with complete proofs the theory of Nichols algebras (or quantum symmetric algebras) and the surprising relation...

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Bibliographic Details
Main Authors: Heckenberger, István, 1969- (Author), Schneider, Hans-Jürgen, 1944- (Author)
Format: Book
Language:English
Published: Providence, Rhode Island : American Mathematical Society, [2020]
Series:Mathematical surveys and monographs ; no. 247.
Subjects:

MARC

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245 1 0 |a Hopf algebras and root systems /  |c István Heckenberger, Hans-Jürgen Schneider. 
264 1 |a Providence, Rhode Island :  |b American Mathematical Society,  |c [2020] 
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300 |a xix, 582 pages :  |b illustrations ;  |c 26 cm. 
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490 1 |a Mathematical surveys and monographs,  |x 0076-5376 ;  |v volume 247 
504 |a Includes bibliographical references (pages 565-574) and indexes. 
520 |a This book is an introduction to Hopf algebras in braided monoidal categories with applications to Hopf algebras in the usual sense. The main goal of the book is to present from scratch and with complete proofs the theory of Nichols algebras (or quantum symmetric algebras) and the surprising relationship between Nichols algebras and generalized root systems. In general, Nichols algebras are not classified by Cartan graphs and their root systems. However, extending partial results in the literature, the authors were able to associate a Cartan graph to a large class of Nichols algebras. This allows them to determine the structure of right coideal subalgebras of Nichols systems which generalize Nichols algebras. As applications of these results, the book contains a classification of right coideal subalgebras of quantum groups and of the small quantum groups, and a proof of the existence of PBW-bases that does not involve case by case considerations. The authors also include short chapter summaries at the beginning of each chapter and historical notes at the end of each chapter. The theory of Cartan graphs, Weyl groupoids, and generalized root systems appears here for the first time in a book form. Hence, the book serves as an introduction to the modern classification theory of pointed Hopf algebras--  |c Publisher's description. 
505 0 |a A quick introduction to Nichols algebras -- Basic Hopf algebra theory -- Braided monoidal categories -- Yetter-Drinfeld modules over Hopf algebras -- Gradings and filtrations -- Braided structures -- Nichols algebras -- Quantized enveloping algebras and generalizations -- Cartan graphs and Weyl groupoids -- The structure of Cartan graphs and root systems -- Cartan graphs of Lie superalgebras -- A braided monoidal isomorphism of Yetter-Drinfeld modules -- Nichols systems, and semi-Cartan graph of Nichols algebras -- Right coideal subalgebras of Nichols systems, and Cartan graph of Nichols algebras -- Nichols algebras of diagonal type -- Nichols algebras of Cartan type -- Nichols algebras over non-abelian groups. 
650 0 |a Hopf algebras. 
650 0 |a Root systems (Algebra) 
650 0 |a Weyl groups. 
700 1 |a Schneider, Hans-Jürgen,  |d 1944-  |e author. 
830 0 |a Mathematical surveys and monographs ;  |v no. 247. 
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