Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Rigidity of fiber-preserving quasisymmetric maps   We show that fiber-preserving quasisymmetric maps are biLipschitz. As an
application, we show that quasisymmetric maps on Carnot groups with reducible
first stratum are biLipschitz.

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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: quant-ph
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The categories of this paper are: q-bio
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The categories of this paper are: cmp-lg
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The categories of this paper are: patt-sol
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The categories of this paper are: nucl-ex
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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: nlin
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The categories of this paper are: physics
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The categories of this paper are: chao-dyn
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The categories of this paper are: econ
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The categories of this paper are: astro-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: q-fin