Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On harmonic function for the killed process upon hitting zero of
  asymmetric L\'evy processes   For a certain class of asymmetric L\'evy processes where the origin is
regular for itself, the renormalized zero resolvent is proved to be harmonic
for the killed process upon hitting zero.

28
The categories of this paper are: alg-geom
12
The categories of this paper are: nucl-th
22
The categories of this paper are: chao-dyn
4
The categories of this paper are: cond-mat
31
The categories of this paper are: ao-sci
27
The categories of this paper are: comp-gas
29
The categories of this paper are: funct-an
19
The categories of this paper are: eess
11
The categories of this paper are: hep-lat
34
The categories of this paper are: chem-ph
14
The categories of this paper are: math-ph
10
The categories of this paper are: q-bio
23
The categories of this paper are: solv-int
8
The categories of this paper are: hep-ex
17
The categories of this paper are: q-fin
33
The categories of this paper are: plasm-ph