Gröbner Deformations of Hypergeometric Differential Equations

Gröbner Deformations of Hypergeometric Differential Equations
Author :
Publisher : Springer Science & Business Media
Total Pages : 261
Release :
ISBN-10 : 9783662041123
ISBN-13 : 366204112X
Rating : 4/5 (12X Downloads)

Book Synopsis Gröbner Deformations of Hypergeometric Differential Equations by : Mutsumi Saito

Download or read book Gröbner Deformations of Hypergeometric Differential Equations written by Mutsumi Saito and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 261 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, new algorithms for dealing with rings of differential operators have been discovered and implemented. A main tool is the theory of Gröbner bases, which is reexamined here from the point of view of geometric deformations. Perturbation techniques have a long tradition in analysis; Gröbner deformations of left ideals in the Weyl algebra are the algebraic analogue to classical perturbation techniques. The algorithmic methods introduced here are particularly useful for studying the systems of multidimensional hypergeometric PDEs introduced by Gelfand, Kapranov and Zelevinsky. The Gröbner deformation of these GKZ hypergeometric systems reduces problems concerning hypergeometric functions to questions about commutative monomial ideals, and leads to an unexpected interplay between analysis and combinatorics. This book contains a number of original research results on holonomic systems and hypergeometric functions, and raises many open problems for future research in this area.


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