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University of Birmingham > Talks@bham > Astrophysics Talks Series > The statistical era of strong gravitational lensing cosmology
The statistical era of strong gravitational lensing cosmologyAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact Matteo Bianconi. Local measurements of the expansion rate are in tension with those inferred from observations of the distant Universe. Is this the first sign of new physics or merely a sign of systematic errors within individual probes? This key question remains unsolved, because there are only a handful of established probes. Here I will talk about how strong gravitational lensing offers a new window on precision cosmology, shining a new light on the dark Universe. I will present strong lensing constraints on the expansion rate of the Universe and the equation of state of dark energy. I will also show how lensing combined with stellar dynamics yields the most precise test to date of the validity of General Relativity on extragalactic scales. This talk is part of the Astrophysics Talks Series series. This talk is included in these lists:Note that ex-directory lists are not shown. |
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