Algorithmic methods in non-commutative algebra : applications to quantum groups
著者
書誌事項
Algorithmic methods in non-commutative algebra : applications to quantum groups
（Mathematical modelling : theory and applications, v. 17）
Kluwer Academic, c2003
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注記
Includes bibliographical references and index
内容説明・目次
内容説明
The already broad range of applications of ring theory has been enhanced in the eighties by the increasing interest in algebraic structures of considerable complexity, the so-called class of quantum groups. One of the fundamental properties of quantum groups is that they are modelled by associative coordinate rings possessing a canonical basis, which allows for the use of algorithmic structures based on Groebner bases to study them. This book develops these methods in a self-contained way, concentrating on an in-depth study of the notion of a vast class of non-commutative rings (encompassing most quantum groups), the so-called Poincare-Birkhoff-Witt rings. We include algorithms which treat essential aspects like ideals and (bi)modules, the calculation of homological dimension and of the Gelfand-Kirillov dimension, the Hilbert-Samuel polynomial, primality tests for prime ideals, etc.
目次
Introduction. 1: Generalities on rings. 1. Rings and ideals. 2. Modules and chain conditions. 3. Ore extensions. 4. Factorization. 5. Other examples. 6. Quantum groups. 2: Groebner basis computation algorithms. 1. Admissible orders. 2. Left Poincare-Birkhoff-Witt Rings. 3. Examples. 4. The Division Algorithm. 5. Groebner bases for left ideals. 6. Buchberger's Algorithm. 7. Reduced Groebner Bases. 8. Poincare-Birkhoff-Witt rings. 9. Effective computations for two-sided ideals. 3: Poincare-Birkhoff-Witt Algebras. 1. Bounding quantum relations. 2. Misordering. 3. The Diamond Lemma. 4. Poincare-Birkhoff-Witt Theorems. 5. Examples. 6. Iterated Ore Extensions. 4: First applications. 1. Applications to left ideals. 2. Cyclic finite-dimensional modules. 3. Elimination. 4. Graded and filtered algebras. 5. The omega-filtration of a PBW algebra. 6. Homogeneous Groebner bases. 7. Homogenization. 5: Groebner bases for modules. 1. Groebner bases and syzygies. 2. Computation of the syzygy module. 3. Admissible orders in stable subsets. 4. Groebner bases for modules. 5. Groebner bases for subbimodules. 6. Elementary applications of Groebner bases for modules. 7. Graded and filtered modules. 8. The omega-filtration of a module. 9. Homogeneous Groebner bases. 10. Homogenization. 6:Syzygies and applications. 1. Syzygies for modules. 2. Intersections. 3. Applications to finitely presented modules. 4. Schreyer's order. 5. Free resolutions. 6. Computation of Hom and Ext. 7: The Gelfand-Kirillov dimension and the Hilbert polynomial. 1. The Gelfand-Kirillov dimension. 2. The Hilbert function of a stable subset. 3.The Hilbert function of a module over a PBW algebra. 4. The Gelfand-Kirillov dimension of PBW algebras. 8: Primality. 1. Localization. 2. The Ore condition and syzygies. 3. A primality test. 4. The primality test in iterated differential operator rings. 5. The primality test in coordinate rings of quantum spaces. Index. References.
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