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SUMMARY:Revisiting the Hubble Constant with FRBs: Evidence for Redshift Ev
 olution
DTSTART;VALUE=DATE-TIME:20260916T080500Z
DTEND;VALUE=DATE-TIME:20260916T083000Z
DTSTAMP;VALUE=DATE-TIME:20261023T191941Z
UID:indico-contribution-31289@indico.ific.uv.es
DESCRIPTION:Speakers: Surajit Kalita (University of Warsaw)\nFast Radio Bu
 rsts (FRBs) are millisecond radio transients with high dispersion measures
 \, making them powerful tracers of ionized matter across cosmological dist
 ances. In this talk\, I will present two complementary approaches\, Bayesi
 an analysis and machine learning\, applied to a set of localized FRBs to r
 igorously test the consistency of the $\\Lambda$CDM model at late cosmic e
 poch. Our results reveal a redshift evolution of the Hubble constant\, a b
 ehavior that stands in contradiction to the core postulate standard cosmol
 ogy. I will further show that this discrepancy can be resolved for alterna
 te cosmological models. These findings suggest a fundamental inadequacy in
  the standard cosmological framework and necessitate a deeper revision of 
 the theoretical underpinnings of cosmology to resolve the Hubble tension.\
 n\nhttps://indico.ific.uv.es/event/8160/contributions/31289/
LOCATION:
URL:https://indico.ific.uv.es/event/8160/contributions/31289/
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