We extend to large scales a method proposed in previous work that reconstructs nonparametrically the primordial power spectrum from cosmic microwave background data at high resolution. The improvement is necessary to account for the nongaussianity of the Wilkinson Microwave Anisotropy Probe (WMAP) likelihood due primarily to cosmic variance. We assume the… (More)

This paper has been typeset from a T E X/ L A T E X file prepared by the author

This paper has been typeset from a T E X/ L A T E…

where part of this work has been carried out, for its hospitality. DTV also acknowledges a Scatcherd Scholarship from the University of Oxford. DTV thanks Glenn Starkman for useful discussions