Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Exact solution of the spin-1/2 Ising model on the Shastry-Sutherland
  (orthogonal-dimer) lattice   A star-triangle mapping transformation is used to establish an exact
correspondence between the spin-1/2 Ising model on the Shastry-Sutherland
(orthogonal-dimer) lattice and respectively, the spin-1/2 Ising model on a
bathroom tile (4-8) lattice. Exact results for the critical temperature and
spontaneous magnetization are obtained and compared with corresponding results
on the regular Ising lattices.

23
The categories of this paper are: solv-int
5
The categories of this paper are: gr-qc
37
The categories of this paper are: supr-con
1
The categories of this paper are: cs
6
The categories of this paper are: astro-ph
35
The categories of this paper are: mtrl-th
10
The categories of this paper are: q-bio
7
The categories of this paper are: hep-th
21
The categories of this paper are: adap-org
19
The categories of this paper are: eess
27
The categories of this paper are: comp-gas
34
The categories of this paper are: chem-ph
29
The categories of this paper are: funct-an
16
The categories of this paper are: stat
9
The categories of this paper are: nlin
32
The categories of this paper are: atom-ph