648 citations · 2.7k across the 25 of their papers we have counts for
5 papers · 1 filter
Non-Gaussian error bars in galaxy surveys -- II
Joachim Harnois-Deraps, Ue-Li Pen
(Abridged) Estimating the uncertainty on the matter power spectrum internally (i.e. directly from the data) is made challenging by the simple fact that galaxy surveys offer at most…
High Performance P3M N-body code: CUBEP3M
Joachim Harnois-Deraps, Ue-Li Pen, Ilian T. Iliev +3
This paper presents CUBEP3M, a publicly-available high performance cosmological N-body code and describes many utilities and extensions that have been added to the standard package…
Optimizing the Recovery of Fisher Information in the Dark Matter Power Spectrum
Joachim Harnois-Deraps, Hao-Ran Yu, Tong-Jie Zhang +1
We combine two Gaussianization techniques - Wavelet Non-Linear Wiener Filter (WNLWF) and density reconstruction - to quantify the recovery of Fisher information that is lost in the…
Cosmic Tides
Ue-Li Pen, Ravi Sheth, J. Harnois-Deraps +2
We apply CMB lensing techniques to large scale structure and solve for the 3-D cosmic tidal field. We use small scale filamentary structures to solve for the large scale tidal shea…
Gravitational Lensing Simulations I : Covariance Matrices and Halo Catalogues
Joachim Harnois-Deraps, Sanaz Vafaei, Ludovic Van Waerbeke
Gravitational lensing surveys have now become large and precise enough that the interpretation of the lensing signal has to take into account an increasing number of theoretical li…