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astro-ph.CO2020★ 10 cited
Morphology of Weak Lensing Convergence Maps
D. Munshi, T. Namikawa, J. D. McEwen +2
We study the morphology of convergence maps by perturbatively reconstructing their Minkowski Functionals (MFs). We present a systematics study using a set of three generalised skew…
astro-ph.CO2020★ 11 cited
Weak Lensing Skew-Spectrum
D. Munshi, T. Namikawa, T. D. Kitching +2
We introduce the skew-spectrum statistic for weak lensing convergence maps and test it against state-of-the-art high-resolution all-sky numerical simulations. We perform the an…
astro-ph.CO2020★ 4 cited
Higher-Order Spectra of Weak Lensing Convergence Maps in Parameterized Theories of Modified Gravity
D. Munshi, J. D. McEwen
We compute the low- limit of the family of higher-order spectra for projected (2D) weak lensing convergence maps. In this limit, these spectra are computed to an arbitrary or…