Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Associated Families of Immersions of Three Dimensional CR Manifolds in
  Euclidean Spaces   We consider isometric immersions in arbitrary codimension of
three-dimensional strongly pseudoconvex pseudo-hermitian CR manifolds into the
Euclidean space $\mathbb{R}^n$ and generalize in a natural way the notion of
associated family. We show that the existence of such deformations turns out to
be very restrictive and we give a complete classification.

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The categories of this paper are: q-bio
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The categories of this paper are: atom-ph
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The categories of this paper are: chem-ph
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The categories of this paper are: patt-sol
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The categories of this paper are: supr-con
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The categories of this paper are: nlin
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The categories of this paper are: mtrl-th
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The categories of this paper are: comp-gas
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The categories of this paper are: adap-org
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The categories of this paper are: dg-ga
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The categories of this paper are: q-alg
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The categories of this paper are: acc-phys
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The categories of this paper are: hep-ex
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The categories of this paper are: nucl-th
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The categories of this paper are: hep-ph
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The categories of this paper are: hep-lat