Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Finite u Invariant and Bounds on Cohomology Symbol Lengths   In this note we answer a question of Parimala's, showing that fields with
finite $u$ invariant have bounds on the symbol lengths in their $\mu_2$
cohomology in all degrees.

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The categories of this paper are: cs
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The categories of this paper are: acc-phys
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The categories of this paper are: q-fin
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The categories of this paper are: nucl-ex
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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: nucl-th
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The categories of this paper are: chao-dyn
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The categories of this paper are: eess
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The categories of this paper are: cond-mat
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The categories of this paper are: q-bio
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The categories of this paper are: hep-ph
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The categories of this paper are: atom-ph
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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: astro-ph