Representations Of Hecke Algebras At Roots Of Unity PDF Download
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Author | : Meinolf Geck |
Publisher | : Springer Science & Business Media |
Total Pages | : 410 |
Release | : 2011-05-18 |
Genre | : Mathematics |
ISBN | : 0857297163 |
Download Representations of Hecke Algebras at Roots of Unity Book in PDF, ePub and Kindle
The modular representation theory of Iwahori-Hecke algebras and this theory's connection to groups of Lie type is an area of rapidly expanding interest; it is one that has also seen a number of breakthroughs in recent years. In classifying the irreducible representations of Iwahori-Hecke algebras at roots of unity, this book is a particularly valuable addition to current research in this field. Using the framework provided by the Kazhdan-Lusztig theory of cells, the authors develop an analogue of James' (1970) "characteristic-free'' approach to the representation theory of Iwahori-Hecke algebras in general. Presenting a systematic and unified treatment of representations of Hecke algebras at roots of unity, this book is unique in its approach and includes new results that have not yet been published in book form. It also serves as background reading to further active areas of current research such as the theory of affine Hecke algebras and Cherednik algebras. The main results of this book are obtained by an interaction of several branches of mathematics, namely the theory of Fock spaces for quantum affine Lie algebras and Ariki's theorem, the combinatorics of crystal bases, the theory of Kazhdan-Lusztig bases and cells, and computational methods. This book will be of use to researchers and graduate students in representation theory as well as any researchers outside of the field with an interest in Hecke algebras.
Author | : Matt Davis |
Publisher | : |
Total Pages | : 327 |
Release | : 2010 |
Genre | : |
ISBN | : |
Download Representations of Rank Two Affine Hecke Algebras at Roots of Unity Book in PDF, ePub and Kindle
Author | : Ivan Cherednik |
Publisher | : Cambridge University Press |
Total Pages | : 452 |
Release | : 2005-03-24 |
Genre | : Mathematics |
ISBN | : 9781139441254 |
Download Double Affine Hecke Algebras Book in PDF, ePub and Kindle
This is an essentially self-contained monograph in an intriguing field of fundamental importance for Representation Theory, Harmonic Analysis, Mathematical Physics, and Combinatorics. It is a major source of general information about the double affine Hecke algebra, also called Cherednik's algebra, and its impressive applications. Chapter 1 is devoted to the Knizhnik-Zamolodchikov equations attached to root systems and their relations to affine Hecke algebras, Kac-Moody algebras, and Fourier analysis. Chapter 2 contains a systematic exposition of the representation theory of the one-dimensional DAHA. It is the simplest case but far from trivial with deep connections in the theory of special functions. Chapter 3 is about DAHA in full generality, including applications to Macdonald polynomials, Fourier transforms, Gauss-Selberg integrals, Verlinde algebras, and Gaussian sums. This book is designed for mathematicians and physicists, experts and students, for those who want to master the double Hecke algebra technique. Visit http://arxiv.org/math.QA/0404307 to read Chapter 0 and selected topics from other chapters.
Author | : Catherine E. Kriloff |
Publisher | : |
Total Pages | : 222 |
Release | : 1995 |
Genre | : |
ISBN | : |
Download Representations of Graded Hecke Algebras Associated to Noncrystallographic Root Systems Book in PDF, ePub and Kindle
Author | : Andrew Mathas |
Publisher | : American Mathematical Soc. |
Total Pages | : 204 |
Release | : 1999 |
Genre | : Mathematics |
ISBN | : 0821819267 |
Download Iwahori-Hecke Algebras and Schur Algebras of the Symmetric Group Book in PDF, ePub and Kindle
This volume presents a fully self-contained introduction to the modular representation theory of the Iwahori-Hecke algebras of the symmetric groups and of the $q$-Schur algebras. The study of these algebras was pioneered by Dipper and James in a series of landmark papers. The primary goal of the book is to classify the blocks and the simple modules of both algebras. The final chapter contains a survey of recent advances and open problems. The main results are proved by showing that the Iwahori-Hecke algebras and $q$-Schur algebras are cellular algebras (in the sense of Graham and Lehrer). This is proved by exhibiting natural bases of both algebras which are indexed by pairs of standard and semistandard tableaux respectively. Using the machinery of cellular algebras, which is developed in chapter 2, this results in a clean and elegant classification of the irreducible representations of both algebras. The block theory is approached by first proving an analogue of the Jantzen sum formula for the $q$-Schur algebras. This book is the first of its kind covering the topic. It offers a substantially simplified treatment of the original proofs. The book is a solid reference source for experts. It will also serve as a good introduction to students and beginning researchers since each chapter contains exercises and there is an appendix containing a quick development of the representation theory of algebras. A second appendix gives tables of decomposition numbers.
Author | : Meinolf Geck |
Publisher | : EPFL Press |
Total Pages | : 472 |
Release | : 2007-05-07 |
Genre | : Mathematics |
ISBN | : 9780849392436 |
Download Group Representation Theory Book in PDF, ePub and Kindle
After the pioneering work of Brauer in the middle of the 20th century in the area of the representation theory of groups, many entirely new developments have taken place and the field has grown into a very large field of study. This progress, and the remaining open problems (e.g., the conjectures of Alterin, Dade, Broué, James, etc.) have ensured that group representation theory remains a lively area of research. In this book, the leading researchers in the field contribute a chapter in their field of specialty, namely: Broué (Finite reductive groups and spetses); Carlson (Cohomology and representations of finite groups); Geck (Representations of Hecke algebras); Seitz (Topics in algebraic groups); Kessar and Linckelmann (Fusion systems and blocks); Serre (On finite subgroups of Lie groups); Thévenaz (The classification of endo-permutaion modules); and Webb (Representations and cohomology of categories).
Author | : Michael J. Collins |
Publisher | : Walter de Gruyter |
Total Pages | : 277 |
Release | : 2011-07-11 |
Genre | : Mathematics |
ISBN | : 3110889161 |
Download Modular Representation Theory of Finite Groups Book in PDF, ePub and Kindle
This book is an outgrowth of a Research Symposium on the Modular Representation Theory of Finite Groups, held at the University of Virginia in May 1998. The main themes of this symposium were representations of groups of Lie type in nondefining (or cross) characteristic, and recent developments in block theory. Series of lectures were given by M. Geck, A. Kleshchev and R. Rouquier, and their brief was to present material at the leading edge of research but accessible to graduate students working in the field. The first three articles are substantial expansions of their lectures, and each provides a complete account of a significant area of the subject together with an extensive bibliography. The remaining articles are based on some of the other lectures given at the symposium; some again are full surveys of the topic covered while others are short, but complete, research articles. The opportunity has been taken to produce a book of enduring value so that this is not a conference proceedings in the conventional sense. Material has been updated so that this book, through its own content and in its extensive bibliographies, will serve as an invaluable resource for all those working in the area, whether established researchers or graduate students who wish to gain a general knowledge of the subject starting from a single source.
Author | : Christian Kassel |
Publisher | : Springer Science & Business Media |
Total Pages | : 349 |
Release | : 2008-06-28 |
Genre | : Mathematics |
ISBN | : 0387685480 |
Download Braid Groups Book in PDF, ePub and Kindle
In this well-written presentation, motivated by numerous examples and problems, the authors introduce the basic theory of braid groups, highlighting several definitions that show their equivalence; this is followed by a treatment of the relationship between braids, knots and links. Important results then treat the linearity and orderability of the subject. Relevant additional material is included in five large appendices. Braid Groups will serve graduate students and a number of mathematicians coming from diverse disciplines.
Author | : Meinolf Geck |
Publisher | : Cambridge University Press |
Total Pages | : 405 |
Release | : 2020-02-27 |
Genre | : Mathematics |
ISBN | : 1108489621 |
Download The Character Theory of Finite Groups of Lie Type Book in PDF, ePub and Kindle
A comprehensive guide to the vast literature and range of results around Lusztig's character theory of finite groups of Lie type.
Author | : Vladimir G. Turaev |
Publisher | : Walter de Gruyter GmbH & Co KG |
Total Pages | : 600 |
Release | : 2020-03-23 |
Genre | : Mathematics |
ISBN | : 3110883279 |
Download Quantum Invariants of Knots and 3-Manifolds Book in PDF, ePub and Kindle
This monograph provides a systematic treatment of topological quantum field theories (TQFT's) in three dimensions, inspired by the discovery of the Jones polynomial of knots, the Witten-Chern-Simons field theory, and the theory of quantum groups. The author, one of the leading experts in the subject, gives a rigorous and self-contained exposition of new fundamental algebraic and topological concepts that emerged in this theory. The book is divided into three parts. Part I presents a construction of 3-dimensional TQFT's and 2-dimensional modular functors from so-called modular categories. This gives new knot and 3-manifold invariants as well as linear representations of the mapping class groups of surfaces. In Part II the machinery of 6j-symbols is used to define state sum invariants of 3-manifolds. Their relation to the TQFT's constructed in Part I is established via the theory of shadows. Part III provides constructions of modular categories, based on quantum groups and Kauffman's skein modules. This book is accessible to graduate students in mathematics and physics with a knowledge of basic algebra and topology. It will be an indispensable source for everyone who wishes to enter the forefront of this rapidly growing and fascinating area at the borderline of mathematics and physics. Most of the results and techniques presented here appear in book form for the first time.