Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Note on the Controllability of Molecular Systems   The reachable set for a finite dimensional quantum system is shown to be the
orbit of the group corresponding to the internal and control Hamiltonians, even
if this group is not compact.

26
The categories of this paper are: bayes-an
1
The categories of this paper are: cs
23
The categories of this paper are: solv-int
28
The categories of this paper are: alg-geom
14
The categories of this paper are: math-ph
37
The categories of this paper are: supr-con
3
The categories of this paper are: physics
24
The categories of this paper are: dg-ga
9
The categories of this paper are: nlin
36
The categories of this paper are: cmp-lg
29
The categories of this paper are: funct-an
18
The categories of this paper are: econ
0
The categories of this paper are: hep-ph
16
The categories of this paper are: stat
4
The categories of this paper are: cond-mat
30
The categories of this paper are: q-alg