Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Heat kernel of anisotropic nonlocal operators   We construct and estimate the fundamental solution of highly anisotropic
space-inhomogeneous integro-differential operators. We use the Levi method. We
give applications to the Cauchy problem for such operators.

36
The categories of this paper are: cmp-lg
28
The categories of this paper are: alg-geom
15
The categories of this paper are: nucl-ex
19
The categories of this paper are: eess
24
The categories of this paper are: dg-ga
22
The categories of this paper are: chao-dyn
30
The categories of this paper are: q-alg
5
The categories of this paper are: gr-qc
6
The categories of this paper are: astro-ph
10
The categories of this paper are: q-bio
8
The categories of this paper are: hep-ex
34
The categories of this paper are: chem-ph
13
The categories of this paper are: quant-ph
18
The categories of this paper are: econ
9
The categories of this paper are: nlin
3
The categories of this paper are: physics