Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Are the String and Einstein Frames Equivalent   The low energy physics as predicted by strings can be expressed in two
(conformally related) different variables, usually called {\em frames}. The
problem is raised as to whether it is physically possible in some situations to
tell one from the other.

35
The categories of this paper are: mtrl-th
9
The categories of this paper are: nlin
19
The categories of this paper are: eess
28
The categories of this paper are: alg-geom
15
The categories of this paper are: nucl-ex
23
The categories of this paper are: solv-int
16
The categories of this paper are: stat
25
The categories of this paper are: patt-sol
26
The categories of this paper are: bayes-an
11
The categories of this paper are: hep-lat
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The categories of this paper are: cmp-lg
31
The categories of this paper are: ao-sci
8
The categories of this paper are: hep-ex
0
The categories of this paper are: hep-ph
3
The categories of this paper are: physics
21
The categories of this paper are: adap-org