Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The rarity of repeating fast radio bursts from binary neutron star
  mergers   Fast radio bursts (FRBs) are extragalactic, bright pulses of emission at
radio frequency with milliseconds duration. Observationally, FRBs can be
divided into two classes, repeating FRBs and non-repeating FRBs. At present,
twenty repeating FRBs have been discovered with unknown physical origins.
Localization of the first repeating FRB 121102 and discovery of an associated
persistent radio source support that FRBs are powered by young millisecond
magnetars, which could be formed by core-collapses of massive stars or binary
neutron stars mergers. These two formation channels can be distinguished by
gravitational waves generated by binary neutron stars mergers. We first
calculate the lower limit of the local formation rate of repeating FRBs
observed by the Canadian Hydrogen Intensity Mapping Experiment (CHIME) . Then
we show that only a small fraction ($6\%$) of repeating FRBs is produced by
young magnetars from binary neutron star mergers, basing on the gravitational
wave detections by the third observing run (O3) of Advanced LIGO/Virgo
gravitational-wave detectors. Therefore, we believe that repeating FRBs are
more likely produced by the magnetars newborn from the core-collapses of
massive stars rather than the magnetars from the binary neutron stars mergers.

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The categories of this paper are: alg-geom
33
The categories of this paper are: plasm-ph
25
The categories of this paper are: patt-sol
22
The categories of this paper are: chao-dyn
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The categories of this paper are: q-alg
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The categories of this paper are: q-fin
4
The categories of this paper are: cond-mat
5
The categories of this paper are: gr-qc
3
The categories of this paper are: physics
8
The categories of this paper are: hep-ex
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The categories of this paper are: atom-ph
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The categories of this paper are: mtrl-th
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The categories of this paper are: supr-con
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The categories of this paper are: funct-an
7
The categories of this paper are: hep-th
2
The categories of this paper are: math