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X-WR-CALDESC:Évènements pour LAPTh
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DTSTART:20240101T000000
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DTSTART;TZID=UTC:20250403T090000
DTEND;TZID=UTC:20250403T100000
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CREATED:20250213T091651Z
LAST-MODIFIED:20250403T084932Z
UID:9099-1743670800-1743674400@www.lapth.cnrs.fr
SUMMARY:Taming projection effects in EFT of LSS analysis of DESI
DESCRIPTION:Speakers: Marco Bonici (INAF-IASF Milano)\nThe analysis of galaxy clustering measurements from surveys like Euclid or DESI is likely to be affected by the so-called projection effects\, which causes the 1D marginals of the analysis to not contain the bestfit; this is a serious issue which can potentially harm the cosmological interpretation of these analyses. In this talk I will present a few avenues to tackle this issue\, either using simulation-calibrated priors\, a frequentist framework\, or a bayesian reparametrization approach. All of these approaches can significantly reduce the projection effects\, following different strategies.\nSpecifically\, I will show the ongoing application of these methods to current DESI DR1 data\, and will compare the results among them and with the baseline DESI analysis.\nhttps://indico.in2p3.fr/event/35426/
URL:https://www.lapth.cnrs.fr/event/marco-bonici/
LOCATION:Auditorium Vivargent (LAPTh)
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