Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Derivation of a $BC_n$ elliptic summation formula via the fundamental
  invariants   We give an alternative proof of an elliptic summation formula of type $BC_n$
by applying the fundamental $BC_n$ invariants to the study of Jackson integrals
associated with the summation formula.

18
The categories of this paper are: econ
17
The categories of this paper are: q-fin
3
The categories of this paper are: physics
25
The categories of this paper are: patt-sol
29
The categories of this paper are: funct-an
13
The categories of this paper are: quant-ph
32
The categories of this paper are: atom-ph
0
The categories of this paper are: hep-ph
24
The categories of this paper are: dg-ga
21
The categories of this paper are: adap-org
36
The categories of this paper are: cmp-lg
7
The categories of this paper are: hep-th
31
The categories of this paper are: ao-sci
5
The categories of this paper are: gr-qc
15
The categories of this paper are: nucl-ex
1
The categories of this paper are: cs