Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Version of the Circle Method for the Representation of Integers by
  Quadratic Forms   We apply the circle method with a Gaussian weight to obtain an asymptotic
formula for the density of representations of non-zero integers by non-singular
quadratic forms in at least four variables.

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The categories of this paper are: q-bio
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The categories of this paper are: hep-lat
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The categories of this paper are: math-ph
12
The categories of this paper are: nucl-th
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The categories of this paper are: astro-ph
36
The categories of this paper are: cmp-lg
1
The categories of this paper are: cs
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The categories of this paper are: dg-ga
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The categories of this paper are: physics
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The categories of this paper are: econ
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The categories of this paper are: hep-ex
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The categories of this paper are: patt-sol
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The categories of this paper are: adap-org
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The categories of this paper are: solv-int
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The categories of this paper are: chao-dyn
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The categories of this paper are: atom-ph