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.Read more
- Accessible style with many examples and exercises
- Based on the author's teaching at Michigan and Harvard
Reviews & endorsements
'The exposition is very systematic, lucid and sufficiently detailed. it certainly [reflects] the author's passion, versatility, all-round knowledge in mathematics, and mastery as both an active researcher and devoted teacher. It is very gratifying to see this beautiful, modern and still down-to-earth introduction to classical and contemporary invariant theory at the public's disposal …' Zentralblatt für MathematikSee more reviews
'Besides interested graduate students and experts, I recommend the book also to mathematicians and theoretical physicists whose research may require invariant theory, representation theory or algebraic geometry.' Acta Scientiarum Mathematicarum
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- Date Published: August 2003
- format: Paperback
- isbn: 9780521525480
- length: 238 pages
- dimensions: 229 x 152 x 14 mm
- weight: 0.36kg
- availability: Available
Table of Contents
1. The symbolic method
2. The first fundamental theorem
3. Reductive algebraic groups
4. Hilbert's fourteenth problem
5. Algebra of covariants
7. Linearization of actions
9. Numerical criterion of stability
10. Projective hypersurfaces
11. Configurations of linear subspaces
12. Toric varieties.
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