Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Free quantum analogues of the first fundamental theorems of invariant
  theory   We formulate and prove a free quantum analogue of the first fundamental
theorems of invariant theory. More precisely, the polynomial functions algebras
are replaced by free algebras, while the universal cosovereign Hopf algebras
play the role of the general linear group.

6
The categories of this paper are: astro-ph
29
The categories of this paper are: funct-an
36
The categories of this paper are: cmp-lg
30
The categories of this paper are: q-alg
23
The categories of this paper are: solv-int
22
The categories of this paper are: chao-dyn
26
The categories of this paper are: bayes-an
34
The categories of this paper are: chem-ph
15
The categories of this paper are: nucl-ex
7
The categories of this paper are: hep-th
17
The categories of this paper are: q-fin
3
The categories of this paper are: physics
8
The categories of this paper are: hep-ex
18
The categories of this paper are: econ
20
The categories of this paper are: acc-phys
25
The categories of this paper are: patt-sol