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On the validity of the Born approximation for beyond-Gaussian weak lensing observables
Andrea Petri, Zoltán Haiman, Morgan May
Accurate forward modeling of weak lensing (WL) observables from cosmological parameters is necessary for upcoming galaxy surveys. Because WL probes structures in the non-linear reg…
Cosmology with photometric weak lensing surveys: constraints with redshift tomography of convergence peaks and moments
Andrea Petri, Morgan May, Zoltán Haiman
Weak gravitational lensing is becoming a mature technique for constraining cosmological parameters, and future surveys will be able to constrain the dark energy equation of state $…
Consequences of CCD imperfections for cosmology determined by weak lensing surveys: From laboratory measurements to cosmological parameter bias
Yuki Okura, Andrea Petri, Morgan May +2
Weak gravitational lensing causes subtle changes in the apparent shapes of galaxies due to the bending of light by the gravity of foreground masses. By measuring the shapes of larg…
Sample variance in weak lensing: how many simulations are required?
Andrea Petri, Zoltán Haiman, Morgan May
Constraining cosmology using weak gravitational lensing consists of comparing a measured feature vector of dimension with its simulated counterpart. An accurate estimate of t…