Computational invariant theory [electronic resource]

• 作者： Derksen, Harm.
• 其他作者：
  • Kemper, Gregor.
  • SpringerLink (Online service)
• 其他題名：
  • Encyclopaedia of mathematical sciences
• 出版： Berlin, Heidelberg : Springer Berlin Heidelberg :Imprint: Springer
• 版本：2nd ed.
• 叢書名： Encyclopaedia of mathematical sciencesv.130
• 主題： Invariants , Mathematics , Topological Groups, Lie Groups. , Algorithms
• ISBN： 9783662484227 (electronic bk.) 、 9783662484203 (paper)
• FIND@SFXID: CGU
• 資料類型: 電子書
• 內容註: Preface -- 1 Constructive Ideal Theory -- 2 Invariant Theory -- 3 Invariant Theory of Finite Groups -- 4 Invariant Theory of Reductive Groups -- 5 Applications of Invariant Theory -- A. Linear Algebraic Groups -- B. Is one of the two Orbits in the Closure of the Other? by V.L.Popov -- C. Stratification of the Nullcone by V.L.Popov -- Addendum to C. The Source Code of HNC by N.A'Campo and V.L.Popov -- Notation -- Index.
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• 摘要註: This book is about the computational aspects of invariant theory. Of central interest is the question how the invariant ring of a given group action can be calculated. Algorithms for this purpose form the main pillars around which the book is built. There are two introductory chapters, one on Grobner basis methods and one on the basic concepts of invariant theory, which prepare the ground for the algorithms. Then algorithms for computing invariants of finite and reductive groups are discussed. Particular emphasis lies on interrelations between structural properties of invariant rings and computational methods. Finally, the book contains a chapter on applications of invariant theory, covering fields as disparate as graph theory, coding theory, dynamical systems, and computer vision. The book is intended for postgraduate students as well as researchers in geometry, computer algebra, and, of course, invariant theory. The text is enriched with numerous explicit examples which illustrate the theory and should be of more than passing interest. More than ten years after the first publication of the book, the second edition now provides a major update and covers many recent developments in the field. Among the roughly 100 added pages there are two appendices, authored by Vladimir Popov, and an addendum by Norbert A'Campo and Vladimir Popov.
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