Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Proof of Goldbach Conjecture, Twin Primes Conjecture and Other Two
  Propositions   By creating a new method, the author proved the well-known world's baffling
problems Goldbach conjecture, twin primes conjecture, the Proposition (C) and
the Proposition $n^2+1$.

16
The categories of this paper are: stat
32
The categories of this paper are: atom-ph
12
The categories of this paper are: nucl-th
30
The categories of this paper are: q-alg
34
The categories of this paper are: chem-ph
7
The categories of this paper are: hep-th
10
The categories of this paper are: q-bio
27
The categories of this paper are: comp-gas
5
The categories of this paper are: gr-qc
11
The categories of this paper are: hep-lat
8
The categories of this paper are: hep-ex
36
The categories of this paper are: cmp-lg
23
The categories of this paper are: solv-int
4
The categories of this paper are: cond-mat
17
The categories of this paper are: q-fin
14
The categories of this paper are: math-ph