Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Evolution of magneto-crystalline anisotropies in Mn$_{1-x}$Fe$_x$Si and
  Mn$_{1-x}$Co$_x$Si as inferred from small-angle neutron scattering and bulk
  properties
8
The categories of this paper are: hep-ex
35
The categories of this paper are: mtrl-th
3
The categories of this paper are: physics
23
The categories of this paper are: solv-int
30
The categories of this paper are: q-alg
32
The categories of this paper are: atom-ph
24
The categories of this paper are: dg-ga
12
The categories of this paper are: nucl-th
0
The categories of this paper are: hep-ph
17
The categories of this paper are: q-fin
20
The categories of this paper are: acc-phys
2
The categories of this paper are: math
15
The categories of this paper are: nucl-ex
18
The categories of this paper are: econ
28
The categories of this paper are: alg-geom
31
The categories of this paper are: ao-sci