Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Time evolution of a Gaussian class of quasi-distribution functions under
  quadratic Hamiltonian   A Lie algebraic method for propagation of the Wigner quasi-distribution
function under quadratic Hamiltonian was presented by Zoubi and Ben-Aryeh. We
show that the same method can be used in order to propagate a rather general
class of quasi distribution functions, which we call "Gaussian class". This
class contains as special cases the well-known Wigner, Husimi, Glauber and
Kirkwood-Rihaczek quasi-distribution functions. We present some examples of the
calculation of the time-evolution of those functions.

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The categories of this paper are: supr-con
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The categories of this paper are: acc-phys
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The categories of this paper are: hep-ex
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The categories of this paper are: astro-ph
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The categories of this paper are: solv-int
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The categories of this paper are: bayes-an
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The categories of this paper are: plasm-ph
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The categories of this paper are: ao-sci
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The categories of this paper are: q-bio
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The categories of this paper are: physics
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The categories of this paper are: dg-ga
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The categories of this paper are: patt-sol
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The categories of this paper are: q-fin
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The categories of this paper are: gr-qc
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The categories of this paper are: hep-lat
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The categories of this paper are: alg-geom