Cosmology and the Epoch of Reionization

During the past decades, significant efforts have been made to investigate the physics in the late time Universe and during the Epoch of Reionization. Theoretical studies, advanced numerical models and observations have led to great insights into the astrophysics as well as the Cosmology present from redshift zero all the way up to redshifts of order 15. However, they also generated a plethora of interesting but thus far unanswered questions.

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GREAT3 Mid-challenge Meeting

The third GRavitational lEnsing Accuracy Testing challenge, or GREAT3, is a blind data analysis competition held by the world-wide weak lensing community to test weak lensing measurement algorithms. With several major astronomical surveys beginning to make large-scale cosmological weak lensing measurements in 2013 in order to better understand our cosmological model (including the mysterious dark matter and dark energy), this challenge will play an important role in identifying promising measurement algorithms and quantifying their performance.

The meeting will include a description of the GREAT3 challenge, guides to the simulated data, information on how to participate in GREAT3, and information about the public tools provided to make this easier. Throughout there will also be invited and contributed talks, and discussion, on cutting edge topics in weak gravitational lensing, inference, and image analysis for cosmology.