Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On parametrical expressibility in the free void-generated diagonalizable
  algebra   In the present paper we show that there are infinitely many classes of term
functions in the free-void generated diagonalizable algebra, which are
precomplete with respect to parametrical expressibility of functions.

30
The categories of this paper are: q-alg
14
The categories of this paper are: math-ph
36
The categories of this paper are: cmp-lg
32
The categories of this paper are: atom-ph
18
The categories of this paper are: econ
35
The categories of this paper are: mtrl-th
19
The categories of this paper are: eess
0
The categories of this paper are: hep-ph
25
The categories of this paper are: patt-sol
23
The categories of this paper are: solv-int
6
The categories of this paper are: astro-ph
3
The categories of this paper are: physics
21
The categories of this paper are: adap-org
9
The categories of this paper are: nlin
5
The categories of this paper are: gr-qc
7
The categories of this paper are: hep-th