Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: Imaging non-standing spin-waves in confined micron-sized ferromagnetic
  structures under uniform excitation
16
The categories of this paper are: stat
3
The categories of this paper are: physics
18
The categories of this paper are: econ
1
The categories of this paper are: cs
22
The categories of this paper are: chao-dyn
15
The categories of this paper are: nucl-ex
12
The categories of this paper are: nucl-th
11
The categories of this paper are: hep-lat
14
The categories of this paper are: math-ph
20
The categories of this paper are: acc-phys
2
The categories of this paper are: math
21
The categories of this paper are: adap-org
34
The categories of this paper are: chem-ph
29
The categories of this paper are: funct-an
23
The categories of this paper are: solv-int
30
The categories of this paper are: q-alg