Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Systems of linear ordinary differential equations with bounded
  coefficients may have very oscillating solutions   An elementary example shows that the number of zeroes of a component of a
solution of a system of linear ordinary differential equations cannot be
estimated through the norm of coefficients of the system alone.

23
The categories of this paper are: solv-int
15
The categories of this paper are: nucl-ex
16
The categories of this paper are: stat
29
The categories of this paper are: funct-an
22
The categories of this paper are: chao-dyn
17
The categories of this paper are: q-fin
19
The categories of this paper are: eess
35
The categories of this paper are: mtrl-th
6
The categories of this paper are: astro-ph
36
The categories of this paper are: cmp-lg
5
The categories of this paper are: gr-qc
32
The categories of this paper are: atom-ph
9
The categories of this paper are: nlin
1
The categories of this paper are: cs
25
The categories of this paper are: patt-sol
3
The categories of this paper are: physics