Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Fourier transform and middle convolution for irregular D-modules   S.Block and H.Esnault constructed the local Fourier transform for D-modules.
We present a different approach to the local Fourier transform, which makes its
properties almost tautological. We apply the local Fourier transform to compute
the local version of Katz's middle convolution.

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The categories of this paper are: atom-ph
13
The categories of this paper are: quant-ph
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The categories of this paper are: q-alg
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The categories of this paper are: math-ph
8
The categories of this paper are: hep-ex
6
The categories of this paper are: astro-ph
7
The categories of this paper are: hep-th
19
The categories of this paper are: eess
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The categories of this paper are: nlin
3
The categories of this paper are: physics
12
The categories of this paper are: nucl-th
0
The categories of this paper are: hep-ph
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The categories of this paper are: dg-ga
25
The categories of this paper are: patt-sol
35
The categories of this paper are: mtrl-th
21
The categories of this paper are: adap-org