Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Life and Mathematical Legacy of Thomas M. Liggett   Thomas Milton Liggett was a world renowned UCLA probabilist, famous for his
monograph Interacting Particle Systems. He passed away peacefully on May 12,
2020. This is a perspective article in memory of both Tom Liggett the person
and Tom Liggett the mathematician.

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The categories of this paper are: plasm-ph
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The categories of this paper are: econ
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The categories of this paper are: astro-ph
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The categories of this paper are: patt-sol
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The categories of this paper are: quant-ph
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The categories of this paper are: comp-gas
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The categories of this paper are: eess
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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: cs
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The categories of this paper are: hep-lat
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The categories of this paper are: chem-ph
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The categories of this paper are: mtrl-th
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The categories of this paper are: q-bio
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The categories of this paper are: cond-mat
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The categories of this paper are: q-fin