Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On the low temperature series expansion for the diagonal correlation
  functions in the two-dimensional Ising model   A previously tested differential equation method for generating low
temperature series expansion for diagonal spin-spin correlation functions in
the d=2 Ising model is extended to generate the non-universal terms for
arbitrary separation of the spins. This extends the earlier calculations of
these correlation functions.

28
The categories of this paper are: alg-geom
33
The categories of this paper are: plasm-ph
19
The categories of this paper are: eess
14
The categories of this paper are: math-ph
1
The categories of this paper are: cs
17
The categories of this paper are: q-fin
20
The categories of this paper are: acc-phys
30
The categories of this paper are: q-alg
15
The categories of this paper are: nucl-ex
23
The categories of this paper are: solv-int
0
The categories of this paper are: hep-ph
8
The categories of this paper are: hep-ex
18
The categories of this paper are: econ
12
The categories of this paper are: nucl-th
37
The categories of this paper are: supr-con
9
The categories of this paper are: nlin