Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Some operators on interval-valued Hesitant fuzzy soft sets   The main aim of this paper is to introduced the operations "Union" and
"Intersection," and four operators $O_1, O_2, O_3, O_4 $ on interval-valued
hesitant fuzzy soft sets and discuss some of their properties.

17
The categories of this paper are: q-fin
10
The categories of this paper are: q-bio
37
The categories of this paper are: supr-con
19
The categories of this paper are: eess
9
The categories of this paper are: nlin
24
The categories of this paper are: dg-ga
32
The categories of this paper are: atom-ph
6
The categories of this paper are: astro-ph
8
The categories of this paper are: hep-ex
28
The categories of this paper are: alg-geom
34
The categories of this paper are: chem-ph
11
The categories of this paper are: hep-lat
22
The categories of this paper are: chao-dyn
35
The categories of this paper are: mtrl-th
13
The categories of this paper are: quant-ph
15
The categories of this paper are: nucl-ex