Intertwining Operators of Double Affine Hecke Algebras PDF Download
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Author: Ivan Cherednik
Publisher:
ISBN:
Category : Geometry, Affine
Languages : en
Pages : 30
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Book Description
Author: Ivan Cherednik
Publisher:
ISBN:
Category : Geometry, Affine
Languages : en
Pages : 30
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Book Description
Author: Ivan Cherednik
Publisher: Cambridge University Press
ISBN: 9781139441254
Category : Mathematics
Languages : en
Pages : 452
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Book Description
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: Ivan Cherednik
Publisher:
ISBN:
Category : Hecke algebras
Languages : en
Pages : 10
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Book Description
Author: Nanhua Xi
Publisher: Springer
ISBN: 3540486828
Category : Mathematics
Languages : en
Pages : 147
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Book Description
Kazhdan and Lusztig classified the simple modules of an affine Hecke algebra Hq (q E C*) provided that q is not a root of 1 (Invent. Math. 1987). Ginzburg had some very interesting work on affine Hecke algebras. Combining these results simple Hq-modules can be classified provided that the order of q is not too small. These Lecture Notes of N. Xi show that the classification of simple Hq-modules is essentially different from general cases when q is a root of 1 of certain orders. In addition the based rings of affine Weyl groups are shown to be of interest in understanding irreducible representations of affine Hecke algebras. Basic knowledge of abstract algebra is enough to read one third of the book. Some knowledge of K-theory, algebraic group, and Kazhdan-Lusztig cell of Cexeter group is useful for the rest
Author: I. G. Macdonald
Publisher: Cambridge University Press
ISBN: 9780521824729
Category : Mathematics
Languages : en
Pages : 200
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Book Description
First account of a theory, created by Macdonald, of a class of orthogonal polynomial, which is related to mathematical physics.
Author: Alexei Oblomkov
Publisher:
ISBN:
Category :
Languages : en
Pages : 96
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Book Description
In the first part we study Double Affine Hecke algebra of type An-1 which is important tool in the theory of orthogonal polynomials. We prove that the spherical subalgebra eH(t, 1)e of the Double Affine Hecke algebra H(t, 1) of type An-1 is an integral Cohen-Macaulay algebra isomorphic to the center Z of H(t, 1), and H(t, 1)e is a Cohen-Macaulay eH(t, 1)e-module with the property H(t, 1) = EndeH(t, tl)(H(t, 1)e). This implies the classification of the finite dimensional representations of the algebras. In the second part we study the algebraic properties of the five-parameter family H(tl, t2, t3, t4; q) of double affine Hecke algebras of type CVC1, which control Askey- Wilson polynomials. We show that if q = 1, then the spectrum of the center of H is an affine cubic surface C, obtained from a projective one by removing a triangle consisting of smooth points. Moreover, any such surface is obtained as the spectrum of the center of H for some values of parameters. We prove that the only fiat de- formations of H come from variations of parameters. This explains from the point of view of noncommutative geometry why one cannot add more parameters into the theory of Askey-Wilson polynomials. We also prove several results on the universality of the five-parameter family H(tl, t2, t3, t4; q) of algebras.
Author: BOGDAN. SAHI ION (SIDDHARTHA.)
Publisher:
ISBN: 9781470463410
Category :
Languages : en
Pages :
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Book Description
Author: Vincent Gajda
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Sergey Novikov
Publisher: American Mathematical Soc.
ISBN: 1470455927
Category : Education
Languages : en
Pages : 480
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Book Description
This book is a collection of articles written in memory of Boris Dubrovin (1950–2019). The authors express their admiration for his remarkable personality and for the contributions he made to mathematical physics. For many of the authors, Dubrovin was a friend, colleague, inspiring mentor, and teacher. The contributions to this collection of papers are split into two parts: “Integrable Systems” and “Quantum Theories and Algebraic Geometry”, reflecting the areas of main scientific interests of Dubrovin. Chronologically, these interests may be divided into several parts: integrable systems, integrable systems of hydrodynamic type, WDVV equations (Frobenius manifolds), isomonodromy equations (flat connections), and quantum cohomology. The articles included in the first part are more or less directly devoted to these areas (primarily with the first three listed above). The second part contains articles on quantum theories and algebraic geometry and is less directly connected with Dubrovin's early interests.
Author: Renato Alvarez-Nodarse
Publisher: Nova Publishers
ISBN: 9781594540097
Category : Mathematics
Languages : en
Pages : 222
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Book Description
This new book presents research in orthogonal polynomials and special functions. Recent developments in the theory and accomplishments of the last decade are pointed out and directions for research in the future are identified. The topics covered include matrix orthogonal polynomials, spectral theory and special functions, Asymptotics for orthogonal polynomials via Riemann-Hilbert methods, Polynomial wavelets and Koornwinder polynomials.
