Beyond precision cosmology: some examples
The standard cosmological model has been established and its parameters are now measured with unprecedented precision. However, there is a big difference between modelling and understanding. The next decade will see the era of large surveys; a large coordinated effort of the scientific community in the field is on-going to map the cosmos producing an exponentially growing amount of data. This will shrink the statistical errors. But precision is not enough: accuracy is also crucial. Systematic effects may be in the data but may also be in the model used in their interpretation. I will present a small selection of examples where I explore approaches to help the transition from precision to accurate cosmology. This selection is not meant to be exhaustive or representative, it just cover some of the problems I have been working on recently.
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ICREA & ICCUB