Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Aut-invariant word norm on right angled Artin and right angled Coxeter
  groups   We show that the Aut-invariant word norm on right angled Artin and right
angled Coxeter groups is unbounded (except in few special cases). To prove
unboundedness we exhibit certain characteristic subgroups. This allows us to
find unbounded quasimorphisms which are Lipschitz with respect to the
Aut-invariant word norm.

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The categories of this paper are: hep-ph
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The categories of this paper are: quant-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: acc-phys
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The categories of this paper are: math-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: hep-ex
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The categories of this paper are: funct-an
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The categories of this paper are: astro-ph
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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: cmp-lg
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The categories of this paper are: physics
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The categories of this paper are: gr-qc
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The categories of this paper are: econ
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The categories of this paper are: bayes-an