Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Low energy physics from the QCD Schr\"odinger functional   We review recent work by the ALPHA and UKQCD Collaborations where masses and
matrix elements were computed in lattice QCD using Schr\"odinger functional
boundary conditions and where the strange quark mass was determined in the
quenched approximation. We emphasize the general concepts and our strategy for
the computation of quark masses.

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The categories of this paper are: comp-gas
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The categories of this paper are: quant-ph
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The categories of this paper are: q-fin
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The categories of this paper are: chem-ph
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The categories of this paper are: dg-ga
10
The categories of this paper are: q-bio
31
The categories of this paper are: ao-sci
35
The categories of this paper are: mtrl-th
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The categories of this paper are: patt-sol
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The categories of this paper are: cmp-lg
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The categories of this paper are: chao-dyn
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The categories of this paper are: solv-int
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The categories of this paper are: math
9
The categories of this paper are: nlin
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The categories of this paper are: adap-org
30
The categories of this paper are: q-alg