Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Open book decompositions for contact structures on Brieskorn manifolds   In this paper, we give an open book decomposition for the contact structures
on some Brieskorn manifolds, in particular for the contact structures of
Ustilovsky. The decomposition uses right-handed Dehn twists as conjectured by
Giroux.

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The categories of this paper are: chem-ph
7
The categories of this paper are: hep-th
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The categories of this paper are: patt-sol
8
The categories of this paper are: hep-ex
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The categories of this paper are: chao-dyn
24
The categories of this paper are: dg-ga
13
The categories of this paper are: quant-ph
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The categories of this paper are: eess
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The categories of this paper are: q-fin
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The categories of this paper are: adap-org
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The categories of this paper are: mtrl-th
3
The categories of this paper are: physics
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The categories of this paper are: funct-an
5
The categories of this paper are: gr-qc
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The categories of this paper are: alg-geom
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The categories of this paper are: nucl-ex