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SUMMARY:Kylar Greene (SNU)\, "Distance measurements drive modern cosmologi
 cal tensions"
DTSTART:20260204T060000Z
DTEND:20260204T070000Z
DTSTAMP:20260422T174200Z
UID:indico-event-1212@indico.ibs.re.kr
DESCRIPTION:Modern cosmological tensions are fundamentally tensions in dis
 tance measurements. The Hubble discrepancy and recent BAO+SN hints of evol
 ving dark energy both arise from how the distance-redshift relationship is
  inferred and compared across different probes. In this talk\, I argue for
  a distance-first approach by treating calibrated distances as the primary
  data product and using internal distance consistency tests before adding 
 new dark-sector physics. Using two recent case studies (2112.11567 and 250
 7.17969)\, I show how this perspective can rapidly rule out published cosm
 ological models or remove the need for exotic ones.\n\nhttps://indico.ibs.
 re.kr/event/1212/
LOCATION:CTPU Seminar room (Theory Bldg\, 4F)
URL:https://indico.ibs.re.kr/event/1212/
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