Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Moduli spaces of stable sheaves on Enriques surfaces   We shall study the existence condition of slope stable sheaves on Enriques
surfaces. We also gives a different proof of the irreducibility of the moduli
spaces of rank 2 stable sheaves.

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The categories of this paper are: hep-ex
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The categories of this paper are: mtrl-th
5
The categories of this paper are: gr-qc
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The categories of this paper are: bayes-an
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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: econ
33
The categories of this paper are: plasm-ph
14
The categories of this paper are: math-ph
32
The categories of this paper are: atom-ph
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The categories of this paper are: chem-ph
13
The categories of this paper are: quant-ph
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The categories of this paper are: nlin
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The categories of this paper are: cond-mat
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The categories of this paper are: chao-dyn
3
The categories of this paper are: physics