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SUMMARY:GGI workshop: Exploring New Frontiers in Cosmology
DTSTART:20260706T063000Z
DTEND:20260731T160000Z
DTSTAMP:20260714T023100Z
UID:indico-event-39253@indico.in2p3.fr
CONTACT:elsa.teixeira@umontpellier.fr\;giare@hawaii.edu
DESCRIPTION:Speakers: Elsa Teixeira (LUPM Montpellier)\, Eleonora Di Valen
 tino (University of Sheffield)\, Matteo Martinelli (INAF - OAR)\, Vivian P
 oulin (LUPM (CNRS & U. de Montpellier))\, William Giare (University of Haw
 aii)\, Luca Visinelli (Università di Salerno & INFN)\n\nThe workshop will
  focus on the current state of cosmology\, aiming to address some of its m
 ost pressing challenges\, identifying key obstacles\, and exploring promis
 ing opportunities from observational\, phenomenological\, and theoretical 
 perspectives. Hosted at the Galileo Galilei Institute\, the event will cen
 tre on two key themes: testing fundamental physics through upcoming cosmol
 ogical and astrophysical observations\, and resolving persistent issues su
 ch as cosmological tensions. The timing of the workshop is particularly si
 gnificant\, aligning with the anticipated arrival of extensive data from a
  wide array of cosmological and astrophysical probes expected in 2026. Par
 ticipants will have a unique chance to engage with cutting-edge observatio
 ns\, contribute to their analysis and interpretation\, and shape the futur
 e direction of cosmological research.\nWeek 1: Introduction and Training W
 eek (6th-10th July)The first week of the workshop will serve as an introdu
 ctory training program dedicated to students and early-career researchers\
 , aimed at preparing interested participants who may not be experts on the
  topic. The focus will be on key cosmological observables relevant to the 
 workshop\, methodologies for data analysis\, and statistical techniques fo
 r comparing theoretical models with observations. The school will include 
 lectures\, hands-on tutorials\, and discussions. Topics covered will inclu
 de: - Statistical and Numerical methods for cosmology\; - Large-scale stru
 cture and Baryon Acoustic Oscillations\; - Supernovae cosmology & the Cosm
 ic distance ladder\; - CMB cosmology and next-generation surveys\; - Theor
 y of dark energy and dark matter\; - Cosmology with Gravitational Waves.\n
 Week 2: Observations and Systematics (13th-17th July) The second week of t
 he workshop will focus on observations and systematics across different su
 rveys and probes\, to assess the impact of unknown systematics on current 
 cosmological tensions. We will also consider novel probes that offer indep
 endent measurements and may help identify hidden biases in existing method
 s. Topics covered will include: - The Hubble tension\; - The role of syste
 matic effects and their impact on cosmological tensions\; - Discussion on 
 alternative cosmological probes\; - Other tensions in cosmological data\; 
 - Future outlook: new observables\, new surveys\, new ideas.\nWeek 3: Conf
 erence Week (20th-24th July) The third week of the workshop will host a co
 nference focused on new frontiers and emerging directions in cosmology\, a
 strophysics\, and astroparticle physics\, in light of the wealth of data c
 ollected over the past decade. Special emphasis will be given to the inter
 play between these observations and our understanding of fundamental physi
 cs. Topics to be addressed during the conference include - Inflation\; - D
 ark Matter\; - Dark Energy\; - Extensions to the Standard Model of particl
 es and their implications for cosmology\; - Modified Gravity Theories and 
 their implications for cosmology.\nWeek 4: Models and Methods (27th-31st J
 uly) This final week of the workshop is designed to synthesize the key out
 comes of the previous sessions\, with a focus on the observational tension
 s discussed throughout. We will examine the most compelling alternative th
 eoretical scenarios proposed to simultaneously explain recent measurements
 \, cosmic tensions\, and possible hints of new physics. Topics covered dur
 ing this week include: - Review of observational evidence for deviations f
 rom ΛCDM\; - Overview of theoretical alternatives and model comparison te
 chniques\; - Model-independent tests of ΛCDM\; - Emerging statistical tec
 hniques.\n \nOrganisers:\n\nEleonora Di Valentino (School of Mathematical
  and Physical Sciences\, The University of Sheffield)\nWilliam Giarè (Dep
 artment of Physics and Astronomy\, University of Hawaii)\nMatteo Martinell
 i (INAF\, Osservatorio Astronomico di Roma)\nVivian Poulin (Laboratoire Un
 ivers & Particules de Montpellier\, Université de Montpellier\, CNRS)\nEl
 sa Teixeira (Laboratoire Univers & Particules de Montpellier\, Université
  de Montpellier\, CNRS)\nLuca Visinelli (Dipartimento di Fisica “E.R. Ca
 ianiello”\, Università degli Studi di Salerno)\n\n\nhttps://indico.in2p
 3.fr/event/39253/
LOCATION:Galileo Galilei Institute
URL:https://indico.in2p3.fr/event/39253/
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