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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
D-Modules: Local Formal Convolution of Elementary Formal Meromorphic Connections

D-Modules: Local Formal Convolution of Elementary Formal Meromorphic Connections

Gelb, Robert

Paperback

Series: Augsburger Schriften Zur Mathematik, Physik Und Informatik, Book 27

AlgebraGeneral Mathematics

ISBN10: 3832538941
ISBN13: 9783832538941
Publisher: Logos Verlag Berlin
Published: Feb 28 2015
Pages: 95
Weight: 0.85
Height: 0.33 Width: 5.52 Depth: 7.96
Language: English
According to the classical theorem of Levelt-Turrittin-Malgrange and its refined version, developed by Claude Sabbah, any meromorphic connection over the field of formal Laurent series in one variable can be decomposed in a direct sum of so called elementary formal meromorphic connections. Changing the perspective, one can also study operations that can be carried out with such special differential modules. There are already formulas for the tensor product or the local formal Fourier transform, for example. This thesis analyses the local formal convolution (the multiplicative case as well as the additive case) of two elementary formal meromorphic connections and how the convolution can itself be decomposed into a direct sum of elementary formal meromorphic connections again.

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