Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Some Remarks on Noncommutative Instantons   We make some comments on noncommutative $U(N)$-instantons on
$\mathbb{R}^4_{\theta}$. We elaborate on the equations for the ASD-connection
for free modules. Further we make some remarks on the computation of the
topological index of ADHM instantons.

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The categories of this paper are: cs
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The categories of this paper are: physics
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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: supr-con
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The categories of this paper are: nlin
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The categories of this paper are: gr-qc
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The categories of this paper are: q-alg
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The categories of this paper are: hep-ph
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The categories of this paper are: econ
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The categories of this paper are: astro-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: adap-org
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The categories of this paper are: nucl-th
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The categories of this paper are: hep-ex
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The categories of this paper are: hep-th