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SUMMARY:Dark Energy Dynamics\, Spatial Curvature\, Neither\, or Both?
DTSTART:20260410T170000Z
DTEND:20260410T190000Z
DTSTAMP:20260521T092500Z
UID:indico-event-17407@indico.global
DESCRIPTION:Speakers: Bharat Ratra (Kansas State U.)\n\nObservations over 
 the last two and half decades have persuaded cosmologists that (as yet onl
 y indirectly detected) dark energy is by far the main component of the ene
 rgy budget of the current universe. I review a few simple dark energy mode
 ls\, including the currently-standard ΛCDM cosmological model\, and compa
 re their predictions to observational data\, to derive cosmological parame
 ter constraints and to study consistency of different data sets. I summari
 ze observational constraints on dark energy dynamics and spatial curvature
 \, two parameters that extend away from the time-independent cosmological 
 constant dark energy and flat spatial hypersurfaces of the standard ΛCDM 
 model. I also summarize observational constraints on the Hubble constant. 
 I conclude with a list of my favorite open cosmological questions.\n\nhttp
 s://indico.global/event/17407/
URL:https://indico.global/event/17407/
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