Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: John Dollond's Prismatic Experiments: The Beginning of a Long Way   The English optician John Dollond (1706-1761) performed a number of
experiments with prisms of various transparent materials and concluded that an
achromatic lens could exist. At that time, the dominant opinion about light
refraction denied this possibility. This work presents the computer simulations
of these experiments. Simulations allowed us to indicate the boundaries on an
optical parameters of glasses, which could be used by J. Dollond in his prism
experiments.

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The categories of this paper are: atom-ph
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The categories of this paper are: gr-qc
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The categories of this paper are: hep-lat
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The categories of this paper are: math-ph
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The categories of this paper are: acc-phys
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The categories of this paper are: patt-sol
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The categories of this paper are: comp-gas
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The categories of this paper are: cond-mat
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The categories of this paper are: cs
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The categories of this paper are: q-alg
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The categories of this paper are: stat
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The categories of this paper are: hep-th
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The categories of this paper are: cmp-lg
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The categories of this paper are: econ
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The categories of this paper are: adap-org
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The categories of this paper are: hep-ex