Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Trace-like invariant for representations of nilpotent liftings of
  quantum planes   We derive a formula for the trace of the antipode on endomorphism algebras of
simple self-dual modules of nilpotent liftings of quantum planes. We show that
the trace is equal to the quantum dimension of the module up to a nonzero
scalar depending on the simple module.

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The categories of this paper are: plasm-ph
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The categories of this paper are: nucl-ex
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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: gr-qc
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The categories of this paper are: hep-th
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The categories of this paper are: mtrl-th
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The categories of this paper are: adap-org
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The categories of this paper are: ao-sci
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The categories of this paper are: dg-ga
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The categories of this paper are: alg-geom
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The categories of this paper are: chem-ph
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The categories of this paper are: hep-lat
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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: hep-ex