Group Actions and Invariant Theory

Group Actions and Invariant Theory PDF

Author: Andrzej Białynicki-Birula

Publisher: American Mathematical Soc.

Published: 1989

Total Pages: 244

ISBN-13: 9780821860151

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This volume contains the proceedings of a conference, sponsored by the Canadian Mathematical Society, on Group Actions and Invariant Theory, held in August, 1988 in Montreal. The conference was the third in a series bringing together researchers from North America and Europe (particularly Poland). The papers collected here will provide an overview of the state of the art of research in this area. The conference was primarily concerned with the geometric side of invariant theory, including explorations of the linearization problem for reductive group actions on affine spaces (with a counterexample given recently by J. Schwarz), spherical and complete symmetric varieties, reductive quotients, automorphisms of affine varieties, and homogeneous vector bundles.

Lectures on Invariant Theory

Lectures on Invariant Theory PDF

Author: Igor Dolgachev

Publisher: Cambridge University Press

Published: 2003-08-07

Total Pages: 244

ISBN-13: 9780521525480

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The primary goal of this 2003 book is to give a brief introduction to the main ideas of algebraic and geometric invariant theory. It assumes only a minimal background in algebraic geometry, algebra and representation theory. Topics covered include the symbolic method for computation of invariants on the space of homogeneous forms, the problem of finite-generatedness of the algebra of invariants, the theory of covariants and constructions of categorical and geometric quotients. Throughout, the emphasis is on concrete examples which originate in classical algebraic geometry. Based on lectures given at University of Michigan, Harvard University and Seoul National University, the book is written in an accessible style and contains many examples and exercises. A novel feature of the book is a discussion of possible linearizations of actions and the variation of quotients under the change of linearization. Also includes the construction of toric varieties as torus quotients of affine spaces.

Group Actions on Rings

Group Actions on Rings PDF

Author: Susan Montgomery

Publisher: American Mathematical Soc.

Published: 1985

Total Pages: 290

ISBN-13: 0821850466

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Ring theorists and researchers in invariant theory and operator algebra met at Bowdoin for the 1984 AMS-IMS-SIAM Joint Summer Research Conference to exchange ideas about group actions on rings. This work discusses topics common to the three fields, including: $K$-theory, dual actions, semi-invariants and crossed products.

Geometric Invariant Theory

Geometric Invariant Theory PDF

Author: David Mumford

Publisher: Springer

Published: 1982

Total Pages: 248

ISBN-13:

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This standard reference on applications of invariant theory to the construction of moduli spaces is a systematic exposition of the geometric aspects of classical theory of polynomial invariants. This new, revised edition is completely updated and enlarged with an additional chapter on the moment map by Professor Frances Kirwan. It includes a fully updated bibliography of work in this area.

Reflection Groups and Invariant Theory

Reflection Groups and Invariant Theory PDF

Author: Richard Kane

Publisher: Springer Science & Business Media

Published: 2013-03-09

Total Pages: 382

ISBN-13: 1475735421

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Reflection groups and invariant theory is a branch of mathematics that lies at the intersection between geometry and algebra. The book contains a deep and elegant theory, evolved from various graduate courses given by the author over the past 10 years.

Algorithms in Invariant Theory

Algorithms in Invariant Theory PDF

Author: Bernd Sturmfels

Publisher: Springer Science & Business Media

Published: 2008-06-17

Total Pages: 202

ISBN-13: 3211774173

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This book is both an easy-to-read textbook for invariant theory and a challenging research monograph that introduces a new approach to the algorithmic side of invariant theory. Students will find the book an easy introduction to this "classical and new" area of mathematics. Researchers in mathematics, symbolic computation, and computer science will get access to research ideas, hints for applications, outlines and details of algorithms, examples and problems.

Symmetry, Representations, and Invariants

Symmetry, Representations, and Invariants PDF

Author: Roe Goodman

Publisher: Springer Science & Business Media

Published: 2009-07-30

Total Pages: 731

ISBN-13: 0387798528

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Symmetry is a key ingredient in many mathematical, physical, and biological theories. Using representation theory and invariant theory to analyze the symmetries that arise from group actions, and with strong emphasis on the geometry and basic theory of Lie groups and Lie algebras, Symmetry, Representations, and Invariants is a significant reworking of an earlier highly-acclaimed work by the authors. The result is a comprehensive introduction to Lie theory, representation theory, invariant theory, and algebraic groups, in a new presentation that is more accessible to students and includes a broader range of applications. The philosophy of the earlier book is retained, i.e., presenting the principal theorems of representation theory for the classical matrix groups as motivation for the general theory of reductive groups. The wealth of examples and discussion prepares the reader for the complete arguments now given in the general case. Key Features of Symmetry, Representations, and Invariants: (1) Early chapters suitable for honors undergraduate or beginning graduate courses, requiring only linear algebra, basic abstract algebra, and advanced calculus; (2) Applications to geometry (curvature tensors), topology (Jones polynomial via symmetry), and combinatorics (symmetric group and Young tableaux); (3) Self-contained chapters, appendices, comprehensive bibliography; (4) More than 350 exercises (most with detailed hints for solutions) further explore main concepts; (5) Serves as an excellent main text for a one-year course in Lie group theory; (6) Benefits physicists as well as mathematicians as a reference work.

Computational Invariant Theory

Computational Invariant Theory PDF

Author: Harm Derksen

Publisher: Springer Science & Business Media

Published: 2013-04-17

Total Pages: 272

ISBN-13: 3662049589

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This book, the first volume of a subseries on "Invariant Theory and Algebraic Transformation Groups", provides a comprehensive and up-to-date overview of the algorithmic aspects of invariant theory. Numerous illustrative examples and a careful selection of proofs make the book accessible to non-specialists.

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