[Forum SIS] [ERRATA CORRIGE] Seminario Yen-Chi Chen a Roma Tor Vergata

[Alessia Caponera]

I would like to announce the following talk that will be held on Tuesday July 16th 2019, at 4:30 PM, in Aula D’Antoni (1101) of the Department of Mathematics, University of Rome Tor Vergata.

Speaker: Yen-Chi Chen (University of Washington) 

Title: Analyzing cosmic webs using geometric approaches

Abstract: Matter in our Universe tends to aggregate around lower-dimension structures, weaving our Universe into a web-like structure known as the cosmic web. The cosmic web consists of several distinct substructures such as galaxy clusters, filaments, walls/sheets, and voids. The existence of the cosmic web has been observed in realistic sky surveys and computer simulations. Astrophysical theories have predicted the effect of the cosmic web on its nearby celestial bodies. However, testing these astrophysical theories is a non-trivial problem for several reasons. First, the precise definition of the cosmic web remains unclear – we only know a few characteristics of these structures but there is no consensus on where the cosmic web starts and ends. Second, the effect of cosmic web is often a complex process and so the quantification of its effect is very difficult. In this talk, we will present some geometric approaches in statistics that show great potential in capturing the cosmic web and may be used to test the related astrophysical theories.

For the Probability and Mathematical Statistics talks held at the Department of Mathematics of the University of Rome Tor Vergata, see also the dedicated webpage http://www.mat.uniroma2.it/~ricerca/probab/talks.php <http://www.mat.uniroma2.it/~ricerca/probab/talks.php>.

Kind regards,

Alessia Caponera
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