Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Hyperkloosterman sums revisited   We return to some past studies of hyperkloosterman sums ([9,10]) via $p$-adic
cohomology with an aim to improve earlier results. In particular, we work here
with Dwork's $\theta_\infty$-splitting function and a better choice of basis
for cohomology. To a large extent, we are guided to this choice of basis by our
recent work on the $p$-integrality of coefficients of $A$-hypergeometric
series[3]. In the earlier work, congruence estimates were limited to $p>n+2$.
We are here able to remove all characteristic restrictions from earlier
results.

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The categories of this paper are: supr-con
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The categories of this paper are: q-bio
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The categories of this paper are: dg-ga
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The categories of this paper are: hep-th
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The categories of this paper are: hep-ex
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The categories of this paper are: adap-org
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The categories of this paper are: quant-ph
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The categories of this paper are: comp-gas
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The categories of this paper are: q-fin
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The categories of this paper are: acc-phys
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The categories of this paper are: mtrl-th
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The categories of this paper are: cmp-lg
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The categories of this paper are: math-ph
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The categories of this paper are: solv-int
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The categories of this paper are: q-alg
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The categories of this paper are: eess