Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Exponential sums and rigid cohomology   In this article, we prove a comparison theorem between the Dwork cohomology
introduced by Adolphson and Sperber and the rigid cohomology. As a corollary,
we can calculate the rigid cohomology of Dwork isocrystal on torus.

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The categories of this paper are: comp-gas
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The categories of this paper are: acc-phys
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The categories of this paper are: hep-lat
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The categories of this paper are: cs
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The categories of this paper are: hep-th
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The categories of this paper are: gr-qc
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The categories of this paper are: nlin
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The categories of this paper are: supr-con
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The categories of this paper are: nucl-ex
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The categories of this paper are: alg-geom
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The categories of this paper are: solv-int
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The categories of this paper are: adap-org
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The categories of this paper are: patt-sol
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The categories of this paper are: atom-ph
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The categories of this paper are: eess
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The categories of this paper are: q-bio