Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Finite temperature phase transition in the two-dimension Randomly
  Coupled Ferromagnet   We show using extensive simulation results and physical arguments that an
Ising system on a two dimensional square lattice, having interactions of random
sign between first neighbors and ferromagnetic interactions between second
neighbors, presents a phase transition at a non-zero temperature.

29
The categories of this paper are: funct-an
6
The categories of this paper are: astro-ph
27
The categories of this paper are: comp-gas
32
The categories of this paper are: atom-ph
30
The categories of this paper are: q-alg
17
The categories of this paper are: q-fin
16
The categories of this paper are: stat
34
The categories of this paper are: chem-ph
24
The categories of this paper are: dg-ga
25
The categories of this paper are: patt-sol
13
The categories of this paper are: quant-ph
14
The categories of this paper are: math-ph
5
The categories of this paper are: gr-qc
18
The categories of this paper are: econ
2
The categories of this paper are: math
23
The categories of this paper are: solv-int