Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Does the period of BE Lyncis really vary?   New photometric series of BE Lyncis are presented. With template curve
fitting we re-determined the $O-C$ for BE Lyncis. The phase shift diagram is
apparently constant, disproving the suspected period variations of BE Lyn.

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The categories of this paper are: q-fin
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The categories of this paper are: solv-int
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The categories of this paper are: comp-gas
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: cmp-lg
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The categories of this paper are: hep-lat
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The categories of this paper are: q-alg
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The categories of this paper are: adap-org
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The categories of this paper are: ao-sci
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The categories of this paper are: hep-th
33
The categories of this paper are: plasm-ph
1
The categories of this paper are: cs
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The categories of this paper are: atom-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: stat