Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Scale and conformal invariance in field theory: a physical
  counterexample   In this note, we illustrate how the two-dimensional theory of elasticity
provides a physical example of field theory displaying scale but not conformal
invariance.

1
The categories of this paper are: cs
0
The categories of this paper are: hep-ph
23
The categories of this paper are: solv-int
28
The categories of this paper are: alg-geom
15
The categories of this paper are: nucl-ex
12
The categories of this paper are: nucl-th
35
The categories of this paper are: mtrl-th
24
The categories of this paper are: dg-ga
37
The categories of this paper are: supr-con
10
The categories of this paper are: q-bio
27
The categories of this paper are: comp-gas
17
The categories of this paper are: q-fin
19
The categories of this paper are: eess
8
The categories of this paper are: hep-ex
33
The categories of this paper are: plasm-ph
13
The categories of this paper are: quant-ph