Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Multiparticle Quantum Cosmology   Fock space quantization of Hamiltonian constraints of General Relativity and
thermodynamics of quantum states for flat Friedmann-Lemaitre-Robertson-Walker
metrics is presented.

24
The categories of this paper are: dg-ga
34
The categories of this paper are: chem-ph
28
The categories of this paper are: alg-geom
9
The categories of this paper are: nlin
3
The categories of this paper are: physics
36
The categories of this paper are: cmp-lg
35
The categories of this paper are: mtrl-th
21
The categories of this paper are: adap-org
29
The categories of this paper are: funct-an
19
The categories of this paper are: eess
1
The categories of this paper are: cs
32
The categories of this paper are: atom-ph
23
The categories of this paper are: solv-int
4
The categories of this paper are: cond-mat
6
The categories of this paper are: astro-ph
12
The categories of this paper are: nucl-th