Beyond Gaussians: Spectral Methods for Learning Mixtures of Heavy-Tailed Distributions.

Kamalika Chaudhuri Satish Rao Beyond Gaussians: Spectral Methods for Learning Mixtures of Heavy-Tailed Distributions. 21-32 2008 COLT http://colt2008.cs.helsinki.fi/papers/44-Chaudhuri.pdf conf/colt/2008 db/conf/colt/colt2008.html#ChaudhuriR08a