Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Weak Lensing Skew-Spectrum   We introduce the skew-spectrum statistic for weak lensing convergence
$\kappa$ maps and test it against state-of-the-art high-resolution all-sky
numerical simulations.
  We perform the analysis as a function of source redshift and smoothing
angular scale for individual tomographic bins. We also analyse the
cross-correlation between different tomographic bins.
  We compare the numerical results to fitting-functions used to model the
bispectrum of the underlying density field as a function of redshift and scale.
We derive a closed form expression for the skew-spectrum for gravity-induced
secondary non-Gaussianity.
  We also compute the skew-spectrum for the projected $\kappa$ inferred from
Cosmic Microwave Background (CMB) studies.
  As opposed to the low redshift case we find the post-Born corrections to be
important in the modelling of the skew-spectrum for such studies. We show how
the presence of a mask and noise can be incorporated in the estimation of a
skew-spectrum.

3
The categories of this paper are: physics
20
The categories of this paper are: acc-phys
11
The categories of this paper are: hep-lat
19
The categories of this paper are: eess
28
The categories of this paper are: alg-geom
32
The categories of this paper are: atom-ph
1
The categories of this paper are: cs
25
The categories of this paper are: patt-sol
31
The categories of this paper are: ao-sci
34
The categories of this paper are: chem-ph
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The categories of this paper are: hep-ex
22
The categories of this paper are: chao-dyn
37
The categories of this paper are: supr-con
23
The categories of this paper are: solv-int
26
The categories of this paper are: bayes-an
24
The categories of this paper are: dg-ga