Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Massive Primordial Black Holes in Hybrid Inflation   Black hole formation in the framework of hybrid inflation is considered. It
is shown that this model of inflation provides conditions for multiple black
hole production.

27
The categories of this paper are: comp-gas
34
The categories of this paper are: chem-ph
21
The categories of this paper are: adap-org
14
The categories of this paper are: math-ph
26
The categories of this paper are: bayes-an
29
The categories of this paper are: funct-an
12
The categories of this paper are: nucl-th
20
The categories of this paper are: acc-phys
18
The categories of this paper are: econ
3
The categories of this paper are: physics
30
The categories of this paper are: q-alg
23
The categories of this paper are: solv-int
19
The categories of this paper are: eess
1
The categories of this paper are: cs
28
The categories of this paper are: alg-geom
24
The categories of this paper are: dg-ga