Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Two notes on harmonic distributions   We say that a distribution is harmonic if it is harmonic when considered as a
section of a Grassmann bundle. We find new examples of harmonic distributions
and show nonexistense of harmonic distrubutions on some Riemannian manifolds by
two different approaches. Firstly, we lift distributions to the second tangent
bundle equipped with the Sasaki metric. Secondly, we deform conformally the
metric on a base manifold.

12
The categories of this paper are: nucl-th
23
The categories of this paper are: solv-int
34
The categories of this paper are: chem-ph
21
The categories of this paper are: adap-org
31
The categories of this paper are: ao-sci
22
The categories of this paper are: chao-dyn
36
The categories of this paper are: cmp-lg
24
The categories of this paper are: dg-ga
3
The categories of this paper are: physics
35
The categories of this paper are: mtrl-th
27
The categories of this paper are: comp-gas
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The categories of this paper are: eess
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The categories of this paper are: stat
6
The categories of this paper are: astro-ph
18
The categories of this paper are: econ
33
The categories of this paper are: plasm-ph