Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Transient hidden chaotic attractors in a Hopfield neural system   In this letter we unveil the existence of transient hidden coexisting chaotic
attractors, in a simplified Hopfield neural network with three neurons.

1
The categories of this paper are: cs
21
The categories of this paper are: adap-org
4
The categories of this paper are: cond-mat
16
The categories of this paper are: stat
23
The categories of this paper are: solv-int
35
The categories of this paper are: mtrl-th
30
The categories of this paper are: q-alg
12
The categories of this paper are: nucl-th
8
The categories of this paper are: hep-ex
17
The categories of this paper are: q-fin
18
The categories of this paper are: econ
3
The categories of this paper are: physics
20
The categories of this paper are: acc-phys
14
The categories of this paper are: math-ph
37
The categories of this paper are: supr-con
10
The categories of this paper are: q-bio