Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Hidden N=(2|2) supersymmetry of the N=(1|1) supersymmetric Toda lattice
  hierarchy   An N=(2|2) superfield formulation of the N=(1|1) supersymmetric Toda lattice
hierarchy is proposed, and its five real forms are presented.

15
The categories of this paper are: nucl-ex
4
The categories of this paper are: cond-mat
20
The categories of this paper are: acc-phys
23
The categories of this paper are: solv-int
32
The categories of this paper are: atom-ph
6
The categories of this paper are: astro-ph
5
The categories of this paper are: gr-qc
21
The categories of this paper are: adap-org
30
The categories of this paper are: q-alg
8
The categories of this paper are: hep-ex
10
The categories of this paper are: q-bio
12
The categories of this paper are: nucl-th
18
The categories of this paper are: econ
27
The categories of this paper are: comp-gas
17
The categories of this paper are: q-fin
3
The categories of this paper are: physics