Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Evolution of Kerr-Schild type initial data for binary black holes using
  the horizon penetrating Teukolsky equation   We use the Kerr-Schild type Teukolsky equation (horizon penetrating) to
evolve binary black hole initial data as proposed by Bishop {\em et al.} in the
close limit. Our results are in agreement with those recently obtained by
Sarbach {\em et al.} from the Zerilli equation evolution of the same initial
data.

26
The categories of this paper are: bayes-an
34
The categories of this paper are: chem-ph
3
The categories of this paper are: physics
2
The categories of this paper are: math
16
The categories of this paper are: stat
30
The categories of this paper are: q-alg
20
The categories of this paper are: acc-phys
4
The categories of this paper are: cond-mat
21
The categories of this paper are: adap-org
13
The categories of this paper are: quant-ph
31
The categories of this paper are: ao-sci
25
The categories of this paper are: patt-sol
33
The categories of this paper are: plasm-ph
35
The categories of this paper are: mtrl-th
8
The categories of this paper are: hep-ex
27
The categories of this paper are: comp-gas