Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The space of all p-th roots of a nilpotent complex matrix is
  path-connected   Let p be a positive integer and A be a nilpotent complex matrix. We prove
that the set of all p-th roots of A is path-connected.

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The categories of this paper are: math-ph
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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: gr-qc
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The categories of this paper are: astro-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: nucl-ex
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The categories of this paper are: cs
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The categories of this paper are: alg-geom
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The categories of this paper are: ao-sci
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The categories of this paper are: acc-phys
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The categories of this paper are: chem-ph
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The categories of this paper are: supr-con
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The categories of this paper are: comp-gas
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The categories of this paper are: nlin
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The categories of this paper are: quant-ph