Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Abundances from the Integrated Light of Globular Clusters and Galaxies   It is currently impossible to determine the abundances and ages of the
stellar populations of distant, dense stellar systems star by star. Therefore,
methods to analyze the composite light of stellar systems are required. I
review the modelling and analysis of integrated spectra of the stellar
populations of individual globular clusters, globular cluster systems,
early-type galaxies, and the bulges of spiral galaxies, with a focus on their
abundances and abundance ratios. I conclude with a list of continuing
difficulties in the modelling that complicate the interpretation of integrated
spectra as well as a look ahead to new methods and new observations.

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The categories of this paper are: dg-ga
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The categories of this paper are: funct-an
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The categories of this paper are: stat
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The categories of this paper are: econ
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The categories of this paper are: alg-geom
32
The categories of this paper are: atom-ph
3
The categories of this paper are: physics
35
The categories of this paper are: mtrl-th
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The categories of this paper are: comp-gas
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The categories of this paper are: plasm-ph
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The categories of this paper are: cond-mat
0
The categories of this paper are: hep-ph
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The categories of this paper are: hep-ex
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The categories of this paper are: math-ph
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The categories of this paper are: chao-dyn
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The categories of this paper are: supr-con