Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Root multiplicities for Nichols algebras of diagonal type of rank two   We determine the multiplicities of a class of roots for Nichols algebras of
diagonal type of rank two, and identify the corresponding root vectors. Our
analysis is based on a precise description of the relations of the Nichols
algebra in the corresponding degrees.

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The categories of this paper are: plasm-ph
23
The categories of this paper are: solv-int
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The categories of this paper are: chao-dyn
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The categories of this paper are: patt-sol
8
The categories of this paper are: hep-ex
35
The categories of this paper are: mtrl-th
5
The categories of this paper are: gr-qc
13
The categories of this paper are: quant-ph
0
The categories of this paper are: hep-ph
26
The categories of this paper are: bayes-an
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The categories of this paper are: dg-ga
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The categories of this paper are: supr-con
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The categories of this paper are: acc-phys
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The categories of this paper are: q-alg
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The categories of this paper are: q-fin
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The categories of this paper are: alg-geom