Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Evidence for the adiabatic invariance of the black hole horizon area   Some examples in support of the conjecture that the horizon area of a near
equilibrium black hole is an adiabatic invariant are described. These clarify
somewhat the conditions under which the conjecture would be true.

27
The categories of this paper are: comp-gas
17
The categories of this paper are: q-fin
1
The categories of this paper are: cs
30
The categories of this paper are: q-alg
15
The categories of this paper are: nucl-ex
10
The categories of this paper are: q-bio
9
The categories of this paper are: nlin
2
The categories of this paper are: math
11
The categories of this paper are: hep-lat
24
The categories of this paper are: dg-ga
4
The categories of this paper are: cond-mat
26
The categories of this paper are: bayes-an
3
The categories of this paper are: physics
16
The categories of this paper are: stat
19
The categories of this paper are: eess
18
The categories of this paper are: econ