Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: $q$-Bessel Fourier Transform and Variation Diminishing kernel   In this paper we study the variation diminishing kernel as a part of the
$q$-calculus. We introduce the $q$-Macdonald function a newborne in the family
of the $q$-special functions which play a central role in this study.

3
The categories of this paper are: physics
9
The categories of this paper are: nlin
20
The categories of this paper are: acc-phys
27
The categories of this paper are: comp-gas
30
The categories of this paper are: q-alg
0
The categories of this paper are: hep-ph
29
The categories of this paper are: funct-an
28
The categories of this paper are: alg-geom
7
The categories of this paper are: hep-th
33
The categories of this paper are: plasm-ph
16
The categories of this paper are: stat
35
The categories of this paper are: mtrl-th
22
The categories of this paper are: chao-dyn
32
The categories of this paper are: atom-ph
18
The categories of this paper are: econ
36
The categories of this paper are: cmp-lg