Mathematics – Logic
Scientific paper
May 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aps..apr.j3004h&link_type=abstract
American Physical Society, April Meeting, 2004, May 1-4, 2004, Denver, Colorado April 2004, MEETING ID: APR04, abstract #J3.004
Mathematics
Logic
Scientific paper
In recent year the accuracy with which the lensing signal induced by large scale structure can be measured has improved tremendously. The prospects for the future are excellent and several large surveys are underway which allow us to measure the matter power spectrum with great precision. By itself and in combination with other methods such as CMB weak lensing provides tight constraints on a range of cosmological parameters. In this talk I will discuss the theory and how one goes from images to unbiased shape measurements. I will review recent progress in this rapidly evolving field and discuss what to expect in the next few years focusing on the weak lensing component of the CFHT Legacy Survey which will image 160 square degree.
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