2 papers
astro-ph2005
Constraining topology in harmonic space
M. Kunz, N. Aghanim, L. Cayon +3
We consider several ways to test for topology directly in harmonic space by comparing the measured a_lm with the expected correlation matrices. Two tests are of a frequentist natur…
astro-ph2003
Non-Gaussianity: Comparing wavelet and Fourier based methods
N. Aghanim, M. Kunz, P. G. Castro +1
In the context of the present and future Cosmic Microwave Background (CMB) experiments, going beyond the information provided by the power spectrum has become necessary in order to…