Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Universal method of strictly calculating self-consistent fields of
  realistic plasma particles   A universal method of strictly calculating self-consistent fields of
realistic plasma particles could be strictly derived from three basic tools in
theoretical plasma physics: particle simulation, Vlasov-Maxwell theory and
fluid theory.

16
The categories of this paper are: stat
25
The categories of this paper are: patt-sol
12
The categories of this paper are: nucl-th
28
The categories of this paper are: alg-geom
37
The categories of this paper are: supr-con
35
The categories of this paper are: mtrl-th
11
The categories of this paper are: hep-lat
33
The categories of this paper are: plasm-ph
17
The categories of this paper are: q-fin
29
The categories of this paper are: funct-an
26
The categories of this paper are: bayes-an
4
The categories of this paper are: cond-mat
8
The categories of this paper are: hep-ex
34
The categories of this paper are: chem-ph
18
The categories of this paper are: econ
30
The categories of this paper are: q-alg