Cohomology of Quotients in Symplectic and Algebraic Geometry. (MN-31), Volume 31 (Mathematical Notes Book 104) 1st Edition by Frances Clare Kirwan (PDF)

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These notes describe a general procedure for calculating the Betti numbers of the projective quotient varieties that geometric invariant theory associates to reductive group actions on nonsingular complex projective varieties. These quotient varieties are interesting in particular because of their relevance to moduli problems in algebraic geometry. The author describes two different approaches to the problem. One is purely algebraic, while the other uses the methods of symplectic geometry and Morse theory, and involves extending classical Morse theory to certain degenerate functions.

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Cohomology of Quotients in Symplectic and Algebraic Geometry. (MN-31), Volume 31 (Mathematical Notes Book 104) 1st Edition 2020 PDF Free Download
Download Cohomology of Quotients in Symplectic and Algebraic Geometry. (MN-31), Volume 31 (Mathematical Notes Book 104) 1st Edition PDF
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