Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Construction of dynamical invariants for the time-dependent harmonic
  oscillator with a time-dependent driven force   We construct the linear and quadratic polynomial dynamical invariants for the
classical and quantum time-dependent harmonic oscillator driven by a
time-dependent force. To obtain them, we use exclusively the associated
equations of motion for the system. We also find an algebraic relationship
between the linear and quadratic invariants at the classical and quantum level.

9
The categories of this paper are: nlin
6
The categories of this paper are: astro-ph
18
The categories of this paper are: econ
31
The categories of this paper are: ao-sci
17
The categories of this paper are: q-fin
36
The categories of this paper are: cmp-lg
30
The categories of this paper are: q-alg
27
The categories of this paper are: comp-gas
24
The categories of this paper are: dg-ga
35
The categories of this paper are: mtrl-th
16
The categories of this paper are: stat
37
The categories of this paper are: supr-con
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The categories of this paper are: cs
23
The categories of this paper are: solv-int
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The categories of this paper are: hep-th
20
The categories of this paper are: acc-phys