Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Existence of solution for a class of nonlocal elliptic problem via
  sub-supersolution method   We show the existence of solution for some classes of nonlocal problems. Our
proof combines the presence of sub and supersolution with the pseudomonotone
operators theory.

17
The categories of this paper are: q-fin
25
The categories of this paper are: patt-sol
31
The categories of this paper are: ao-sci
23
The categories of this paper are: solv-int
29
The categories of this paper are: funct-an
8
The categories of this paper are: hep-ex
36
The categories of this paper are: cmp-lg
7
The categories of this paper are: hep-th
33
The categories of this paper are: plasm-ph
21
The categories of this paper are: adap-org
15
The categories of this paper are: nucl-ex
28
The categories of this paper are: alg-geom
30
The categories of this paper are: q-alg
6
The categories of this paper are: astro-ph
4
The categories of this paper are: cond-mat
3
The categories of this paper are: physics