Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Squeezing Operator and Squeeze Tomography   Some properties of Plebanski squeezing operator and squeezed states created
with time-dependent quadratic in position and momentum Hamiltonians are
reviewed. New type of tomography of quantum states called squeeze tomography is
discussed.

32
The categories of this paper are: atom-ph
20
The categories of this paper are: acc-phys
8
The categories of this paper are: hep-ex
33
The categories of this paper are: plasm-ph
12
The categories of this paper are: nucl-th
4
The categories of this paper are: cond-mat
26
The categories of this paper are: bayes-an
9
The categories of this paper are: nlin
19
The categories of this paper are: eess
14
The categories of this paper are: math-ph
17
The categories of this paper are: q-fin
5
The categories of this paper are: gr-qc
16
The categories of this paper are: stat
27
The categories of this paper are: comp-gas
37
The categories of this paper are: supr-con
31
The categories of this paper are: ao-sci