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Quantum linear groups and representations of GLn (Fq) /

We give a self-contained account of the results originating in the work of James and the second author in the 1980s relating the representation theory of GL[n(F[q) over fields of characteristic coprime to q to the representation theory of "quantum GL[n" at roots of unity. The new treatment...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Brundan, Jonathan, 1970-
Otros Autores: Dipper, Richard, Kleshchëv, A. S. (Aleksandr Sergeevich)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Providence, R.I. : American Mathematical Society, ©2001.
Colección:Memoirs of the American Mathematical Society ; no. 706.
Temas:
Acceso en línea:Texto completo

MARC

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245 1 0 |a Quantum linear groups and representations of GLn (Fq) /  |c Jonathan Brundan, Richard Dipper, Alexander Kleshchev. 
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504 |a Includes bibliographical references. 
588 0 |a Print version record. 
520 8 |a We give a self-contained account of the results originating in the work of James and the second author in the 1980s relating the representation theory of GL[n(F[q) over fields of characteristic coprime to q to the representation theory of "quantum GL[n" at roots of unity. The new treatment allows us to extend the theory in several directions. First, we prove a precise functorial connection between the operations of tensor product in quantum GL[n and Harish-Chandra induction in finite GL[n. This allows us to obtain a version of the recent Morita theorem of Cline, Parshall and Scott valid in addition for p-singular classes. From that we obtain simplified treatments of various basic known facts, such as the computation of decomposition numbers and blocks of GL[n(F[q) from knowledge of the same for the quantum group, and the non-defining analogue of Steinberg's tensor product theorem. We also easily obtain a new double centralizer property between GL[n(F[[q) and quantum GL[n, generalizing a result of Takeuchi. Finally, we apply the theory to study the affine general linear group, following ideas of Zelevinsky in characteristic zero. We prove results that can be regarded as the modular analogues of Zelevinsky's and Thoma's branching rules. Using these, we obtain a new dimension formula for the irreducible cross-characteristic representations of GL[n(F[q), expressing their dimensions in terms of the characters of irreducible modules over the quantum group 
505 0 0 |t Introduction  |t 1. Quantum linear groups and polynomial induction  |t 2. Classical results on $GL_n$  |t 3. Connecting $GL_n$ with quantum linear groups  |t 4. Further connections and applications  |t 5. The affine general linear group. 
590 |a ProQuest Ebook Central  |b Ebook Central Academic Complete 
650 0 |a Linear algebraic groups. 
650 0 |a Representations of groups. 
650 0 |a Group schemes (Mathematics) 
650 6 |a Groupes linéaires algébriques. 
650 6 |a Représentations de groupes. 
650 6 |a Schémas en groupes. 
650 7 |a Group schemes (Mathematics)  |2 fast 
650 7 |a Linear algebraic groups  |2 fast 
650 7 |a Representations of groups  |2 fast 
700 1 |a Dipper, Richard. 
700 1 |a Kleshchëv, A. S.  |q (Aleksandr Sergeevich)  |1 https://id.oclc.org/worldcat/entity/E39PCjHYcF6vgmxVjYYtJbk343 
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830 0 |a Memoirs of the American Mathematical Society ;  |v no. 706.  |x 0065-9266 
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