Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Killing-Yano tensors and surface terms   New geometries were obtained by adding a suitable surface term involving the
components of the angular momentum to the corresponding free Lagrangians.
Killing vectors, Killing-Yano and Killing tensors of the obtained manifolds
were investigated.

26
The categories of this paper are: bayes-an
36
The categories of this paper are: cmp-lg
32
The categories of this paper are: atom-ph
22
The categories of this paper are: chao-dyn
0
The categories of this paper are: hep-ph
31
The categories of this paper are: ao-sci
35
The categories of this paper are: mtrl-th
17
The categories of this paper are: q-fin
11
The categories of this paper are: hep-lat
28
The categories of this paper are: alg-geom
4
The categories of this paper are: cond-mat
1
The categories of this paper are: cs
21
The categories of this paper are: adap-org
27
The categories of this paper are: comp-gas
2
The categories of this paper are: math
16
The categories of this paper are: stat