Cambridge Tracts in Mathematics: Cohomology of Vector Bundles and Syzygies Jerzy Weyman

ISBN: 9781280417382

Published: January 1st 2003

ebook

387 pages


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Cambridge Tracts in Mathematics: Cohomology of Vector Bundles and Syzygies  by  Jerzy Weyman

Cambridge Tracts in Mathematics: Cohomology of Vector Bundles and Syzygies by Jerzy Weyman
January 1st 2003 | ebook | PDF, EPUB, FB2, DjVu, talking book, mp3, ZIP | 387 pages | ISBN: 9781280417382 | 10.64 Mb

The central theme of this book is an exposition of the geometric technique of calculating syzygies. It is written from a point of view of commutative algebra, and without assuming any knowledge of representation theory the calculation of syzygies ofMoreThe central theme of this book is an exposition of the geometric technique of calculating syzygies. It is written from a point of view of commutative algebra, and without assuming any knowledge of representation theory the calculation of syzygies of determinantal varieties is explained.

The starting point is a definition of Schur functors, and these are discussed from both an algebraic and geometric point of view. Then a chapter on various versions of Botts Theorem leads on to a careful explanation of the technique itself, based on a description of the direct image of a Koszul complex. Applications to determinantal varieties follow, plus there are also chapters on applications of the technique to rank varieties for symmetric and skew symmetric tensors of arbitrary degree, closures of conjugacy classes of nilpotent matrices, discriminants and resultants.

Numerous exercises are included to give the reader insight into how to apply this important method.



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