Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On the limiting behaviour of some nonlocal seminorms: a new phenomenon   In this note we study the behaviour as $s\to 0^+$ of some semigroup based
Besov seminorms associated with a non-symmetric and hypoelliptic diffusion with
a drift. Our results generalise a previous one of Maz'ya and Shaposhnikova for
the classical fractional Sobolev spaces $W^{s,p}$, and they also underscore a
new phenomenon caused by the presence of the drift.

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The categories of this paper are: gr-qc
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The categories of this paper are: ao-sci
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The categories of this paper are: econ
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The categories of this paper are: nlin
33
The categories of this paper are: plasm-ph
34
The categories of this paper are: chem-ph
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The categories of this paper are: math-ph
20
The categories of this paper are: acc-phys
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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: cmp-lg
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The categories of this paper are: stat
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The categories of this paper are: comp-gas
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The categories of this paper are: cs
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The categories of this paper are: adap-org
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The categories of this paper are: physics