Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Reconstruction of a Deceleration Parameter from the Latest Type Ia
  Supernovae Gold Dataset   In this paper, a parameterized deceleration parameter $q(z)= 1/2 - a/(1 +
z)^b$ is reconstructed from the latest type Ia supernovae gold dataset. It is
found out that the transition redshift from decelerated expansion to
accelerated expansion is at $z_T=0.35^{+0.14}_{-0.07}$ with $1\sigma$
confidence level in this parameterized deceleration parameter. And, the best
fit values of parameters in $1\sigma$ errors are $a=1.56^{+0.99}_{-0.55}$ and
$b=3.82^{+3.70}_{-2.27}$.

9
The categories of this paper are: nlin
21
The categories of this paper are: adap-org
22
The categories of this paper are: chao-dyn
10
The categories of this paper are: q-bio
28
The categories of this paper are: alg-geom
13
The categories of this paper are: quant-ph
18
The categories of this paper are: econ
32
The categories of this paper are: atom-ph
36
The categories of this paper are: cmp-lg
26
The categories of this paper are: bayes-an
37
The categories of this paper are: supr-con
24
The categories of this paper are: dg-ga
19
The categories of this paper are: eess
33
The categories of this paper are: plasm-ph
1
The categories of this paper are: cs
27
The categories of this paper are: comp-gas