Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Learning Control of Quantum Systems   This paper provides a brief introduction to learning control of quantum
systems. In particular, the following aspects are outlined, including
gradient-based learning for optimal control of quantum systems, evolutionary
computation for learning control of quantum systems, learning-based quantum
robust control, and reinforcement learning for quantum control.

18
The categories of this paper are: econ
12
The categories of this paper are: nucl-th
30
The categories of this paper are: q-alg
28
The categories of this paper are: alg-geom
3
The categories of this paper are: physics
5
The categories of this paper are: gr-qc
6
The categories of this paper are: astro-ph
37
The categories of this paper are: supr-con
2
The categories of this paper are: math
11
The categories of this paper are: hep-lat
10
The categories of this paper are: q-bio
20
The categories of this paper are: acc-phys
25
The categories of this paper are: patt-sol
29
The categories of this paper are: funct-an
24
The categories of this paper are: dg-ga
15
The categories of this paper are: nucl-ex