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Covariance of Weak Lensing Observables
Dipak Munshi, Patrick Valageas
Analytical expressions for covariances of weak lensing statistics related to the aperture mass $\Map$ are derived for realistic survey geometries such as SNAP for a range of smooth…
On Cross-correlating Weak Lensing Surveys
Dipak Munshi, Patrick Valageas
The present generation of weak lensing surveys will be superseded by surveys run from space with much better sky coverage and high level of signal to noise ratio, such as SNAP. How…
Evolution of the Cosmological Density Distribution Function: A New Analytical Model
Patrick Valageas, Dipak Munshi
The one-point probability distribution function (pdf) of the large-scale density field is an important tool to follow the evolution of cosmological structures. In this paper we pre…
On the estimation of gravity-induced non-Gaussianities from weak lensing surveys
Patrick Valageas, Dipak Munshi, Andrew J. Barber
We study various measures of weak lensing distortions in future surveys, taking into account the noise arising from the finite survey size and the intrinsic ellipticity of galaxies…