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Christophe Pichon, Institut d'astrophysique de Paris/ Leverhulme visiting professor (Oxford)
Thursday 18 November 2010, 16:30-17:30
The skeleton: connecting galaxy formation to large scale structures
- 👤 Speaker: Christophe Pichon, Institut d'astrophysique de Paris/ Leverhulme visiting professor (Oxford)
- 📅 Date & Time: Thursday 18 November 2010, 16:30 - 17:30
- 📍 Venue: Sackler Lecture Theatre, IoA (tea at 4:00 pm)
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scott chapman
Abstract
I will report on morphological estimators of the filamentary structure of the Cosmic Web, the so-called skeleton. Based on a global study of the matter density gradient flow, it allows us to study the connectivity between a density peak and its surroundings, with direct relevance to the anisotropic accretion via cold flows on galactic halos. It also provides a theoretical framework to study their cosmic evolution through the onset of gravity-induced non-linearities. http://uk.arxiv.org/abs/0911.3779
Series This talk is part of the Institute of Astronomy Colloquia series.
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