3 papers
astro-ph1998
Detecting the non-Gaussian Spectrum of QSO's Ly Absorption Line Distribution
Jesus Pando, Li-Zhi Fang
We present an analysis of the non-Gaussianity in the distribution of Ly forest lines in the QSO absorption spectra. Statistical tests performed on this data indicate that there…
astro-ph1996
Wavelet Space-Scale Decomposition Analysis of QSO's Lyman-Alpha Lines: Spectrum of non-Gaussianity
Jesus Pando, Li-Zhi Fang
Using a discrete wavelet based space-scale decomposition (SSD), the spectrum of the skewness and kurtosis is developed to describe the non-Gaussian signatures in cosmologically int…
astro-ph1995
Wavelet Space-Scale-Decomposition Analysis of QSO's Ly Absorption Lines: Spectrum of Density Perturbations
Jesus Pando, Li-Zhi Fang
A method for measuring the spectrum of a density field by a discrete wavelet space-scale decomposition (SSD) has been studied. We show how the power spectrum can effectively be des…