Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Isomorphism between two realizations of the Yangian Y(so_3)   The isomorphism between Drinfeld's new realization and the FRT realization is
proved for the Yangian algebra Y(so_3) by using Gauss decomposition.

20
The categories of this paper are: acc-phys
37
The categories of this paper are: supr-con
15
The categories of this paper are: nucl-ex
28
The categories of this paper are: alg-geom
12
The categories of this paper are: nucl-th
25
The categories of this paper are: patt-sol
35
The categories of this paper are: mtrl-th
22
The categories of this paper are: chao-dyn
5
The categories of this paper are: gr-qc
6
The categories of this paper are: astro-ph
34
The categories of this paper are: chem-ph
23
The categories of this paper are: solv-int
30
The categories of this paper are: q-alg
9
The categories of this paper are: nlin
8
The categories of this paper are: hep-ex
1
The categories of this paper are: cs