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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20240321T103000
DTEND;TZID=Atlantic/Canary:20240321T113000
UID:iactalks-1746
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/1746
CREATED:2024-03-21T10:30:00+00:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:Understanding the matter distribution in the Universe on small scal
 es
DESCRIPTION:Understanding the matter distribution in the Universe on small 
 scales\nProf. Kentaro Nagamine\n\nIn the field of modern cosmological stud
 ies, we like to think that we  live in an era of "precision cosmology." Ho
 wever, our understanding of  matter distribution on small scales is not qu
 ite there yet. This  limitation stems from the feedback effects of superno
 vae and  supermassive black holes, which alter the matter distribution on 
 scales  smaller than a few Mpc and impact star formation and galaxy evolut
 ion. I  will discuss how surveys such as Subaru-PFS and DESI will enhance 
 our  understanding of the Universe's matter distribution. By observing  ga
 laxies and AGNs, we can infer the distribution of dark matter, gas,  and m
 etals with the support of theoretical modeling and numerical  simulations.
  Specifically, I will explain how we can tighten the  constraints on matte
 r distribution on small scales and further refine  our understanding of th
 e Lambda-CDM model through IGM/CGM tomography and  Lyman-alpha forest anal
 ysis. 
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