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Cosmology in the Alps 2026

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Glacier Hotel - Les Diablerets

Glacier Hotel - Les Diablerets

Chemin du Vernex 3 , 1865 Les Diablerets, Switzerland
Anna Bonaldi (SKA organization), Ariane Capt (EPFL SB IPHYS LASTRO), Carolyn Crichton, Joanna Jermini-Howard
Description

Overview

The Cosmology in the Alps Conference focuses on radio cosmology studying the universe on large scales. It aims to bring together experts in the field together with early career researchers to foster interactions.

Cosmology in the Alps focuses on three main goals:

●Foster developments in radio Cosmology

●Highlight young researchers in Cosmology from across the globe

●Highlight Swiss contributions to the global Cosmology landscape

 
The conference will be held at the Hotel Glacier in Les Diablerets, in the Swiss Alps from 16-20 March 2026 and will be hosted by SKACH - the Swiss Consortium to the SKAO.
 
 
ASTRONAUT CLAUDE NICOLLIER ATTENDING OUR WELCOME DINNER
 
We will also have the honor to host Astronaut Claude Nicollier who will give a welcome address during our Welcome Dinner on Monday 16th March 2026. Furthermore, Les Diablerets is very special to him as it is the home of the Nicollier family. For more information on Claude Nicollier, please click here.
 
 
ABSTRACTS AND REGISTRATION INFORMATION
 

Abstracts will be open from 10 September to 30 October 2025. For registration, please go to the "Registration Information" section on the menu window.

 

We look forward to welcoming you to Switzerland!

 

Registration
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Contact
  • Monday, 16 March
  • Tuesday, 17 March
    • Tuesday morning - part 1 b: Facilities & Techniques for Cosmic Hydrogen Searches (Continued)
      • 11
        Physical interpretation of the IGM parameters of the 21-cm power spectrum from cosmic reionization
        Speaker: Ivelin Georgiev (Astrophysics Research Center of the Open University, MPA Garching)
        Ivelin_Georgiev_Cosmo_In_Alps_2026.pdf
      • 12
        Robust Extraction of Global 21 cm Spectrum from Experiments in Lunar Orbits
        Speaker: Prof. Yidong Xu (National Astronomical Observatory of China)
        XuYidong_Global21cmDSL_CosmologyAlps202603.pdf
      • 13
        Unveiling the Dark Ages and the Cosmic Dawn with REACH and CosmoCube
        Speaker: Eloy de Lera Acedo (Cavendish Laboratory, University of Cambridge)
        REACH_CosmoCube_web.pdf
      • 14
        Curing Cosmic Myopia: High-Resolution 10 MHz Imaging of Galactic Foregrounds from the High-Arctic with ALBATROS
        Speaker: Mohan Agrawal (McGill University)
        CosmoAlps2026_Mohan.pdf
    • 09:50
      Coffee Break Glacier Hotel

      Glacier Hotel
    • Tuesday morning - part 2: WORKSHOP : Opportunities for Early Career Researchers
    • 12:00
      Lunch Glacier Hotel

      Glacier Hotel
    • Tuesday afternoon - part 1: New Analysis Methods and Models for EoR Science
      • 17
        Tracing the Cosmic Origins: Machine-Learning Reconstruction of the Primordial Density Field from EoR Line-Intensity Maps
        Speaker: Dr Anchal Saxena (Max Planck Institute for Radio Astronomy)
        Cosmology_in_the_alps_2026_Saxena_A.pptx
      • 18
        Linking Galaxy Evolution and the 21-cm Signal: Joint Machine Learning Constraints on the Epoch of Reionization
        Speaker: Anshuman Tripathi (Department of Astronomy, Astrophysics and Space Engineering, IIT Indore, Simrol, Indore, 453552, Madhya Pradesh, India)
        Cosmology_in_the_alps.pdf
      • 19
        Inferring the HII Ionization History using Simulation Based Inference from 21cm Intensity Maps
        Speaker: Nadia Cooper (Imperial College London)
        hybrid_summary_stats_cosmointhealps.pdf
      • 20
        Forecasting SKA Constraints on the Epoch of Reionisation with the Triangle Correlation Function
        Speaker: Liliane Crascall-Kennedy (Institut d'Astrophysique Spatiale)
        TCF_presentation_Cosmo_in_Alps.pptx
    • 14:50
      Coffee Break Glacier Hotel

      Glacier Hotel
    • Tuesday afternoon - part 2: New Analysis Methods and Models for EoR Science (Continued)
    • 16:00
      Poster set-up Salle des Congrès

      Salle des Congrès

      Hall in Salle des Congrès - 5-min walk from hotel
    • Tuesday Afternoon - Part 3: Poster Session / Apero - (Poster board dimension at venue 120cm x 120 cm) Maison des Congrès - 3-minute walk from the hotel

      Maison des Congrès - 3-minute walk from the hotel
      • 23
        Developments in calibration of the global 21-cm experiment REACH
        Speaker: Adarsh Kumar Dash (University of Cambridge)
        Dash_Poster_REACH_calibration_developments.pdf
      • 24
        Effect of 1DPS emulators from multiple simulations on 21 cm inference
        Speaker: Ms Carina Norregaard (Imperial College London)
        PosterCosmoInTheAlpsCarinaHighRes.pdf
      • 25
        A New Data-Driven Technique To Mitigate The Foregrounds Of Line Intensity Maps
        Speaker: Hannah Fronenberg (McGill University)
      • 26
        Probing cosmology with large-scale radio galaxy clustering
        Speaker: Vrund Patel (Institute for Theoretical Physics, Heidelberg University)
        Galaxy_sbi.pdf
      • 27
        Characterizing galactic foregrounds with SKAMPI: New S-band observations of the Large Magellanic Cloud
        Speaker: Nick Horstmann (Bielefeld University)
        SED Modelling with SKAMPI.pdf
      • 28
        A Deep Learning Framework for Detection and Characterization of Radio Galaxies
        Speaker: SANJAY KHATIK
        ePoster_Sanjay.pdf
      • 29
        The Multi-stream Cosmic Web
        Speaker: bram alferink (Stellenbosch University, University of Groningen)
        PosterBDA.pdf
      • 30
        ALBATROS: An Arctic Window into the Ultra-Low Frequency Universe
        Speaker: Dr Aman Chokshi (McGill University)
        CosmoAlps_ALBATROS_Aman_Chokshi_web.pdf
      • 31
        Dark Photons in the Radio Sky
        Speaker: Ethan Baker (Boston University)
        Baker_Ethan_Poster_3_10_26.pdf
      • 32
        An emulator-based forecasting on astrophysics and cosmology with 21 cm and density cross-correlations during the epoch of reionization
        Speaker: Barun Maity (Max Planck Institute for Astronomy)
        Cosmo_Alps_Maity.pdf
      • 33
        Constraining the Extragalactic Radio Background Excess with 21 cm Global Signal Observations
        Speaker: Savannah Stanbury (Rhodes University)
        Constraining the Extragalactic Radio Background Excess with 21 cm Global Signal Observations.pdf
      • 34
        Starobinsky in Stereo: SKA-CMB Synergy in SBI
        Speaker: Benedikt Schosser (Heidelberg University)
        StarobinskySBI.pdf
      • 35
        Diffusion models to infer the density fields from SKA-Low maps
        Speaker: Pietro Albanese Guidi (Institut d'Astrophysique Spatiale (IAS) (CNRS))
        Poster_Cosmology_in_the_Alps_Pietro_Albanese_Guidi.pdf
      • 36
        The MeerKAT Massive Distant Clusters Survey: Diffuse Emission at z > 1
        Speaker: Sinenhlanhla Precious Sikhosana (University Of Kwazulu-Natal)
      • 37
        matvis and fftvis: visibility simulators for fast forward modelling of many-element 21 cm arrays
        Speaker: Dr Piyanat Kittiwisit (UWC, SARAO)
    • 18:30
      Free time
    • 19:00
      Dinner Glacier Hotel

      Glacier Hotel
  • Wednesday, 18 March
    • Wednesday Morning - part 1: The Astrophysics of the EoR
      • 38
        Synergies between Cosmic Reionization and JWST Galaxy Surveys
        Speaker: Ankita Bera (University of Maryland)
        Reconciling_Reionization_JWST_AnkitaBera.pptx
      • 39
        Reconstructing Reionization with 21cm Summaries and Galaxy Synergies
        Speaker: Yannic Pietschke (Institute for Theoretical Physics, Heidelberg)
        21cmGalaxySBI.pdf
      • 40
        First constraints on cosmic 21cm signal with the uGMRT - Lessons learnt from ELAIS-N1 observations
        Speaker: Prof. Abhirup Datta (Department of Astronomy, Astrophysics and Space Engineering, Indian Institute of Technology-Indore)
      • 41
        Narrowing the discovery space of the cosmological 21-cm signal using multi-wavelength constraints
        Speaker: Jiten Dhandha (Institute of Astronomy, University of Cambridge)
        Dhandha_Jiten_Presentation_compressed.pdf
    • 10:00
      Coffee Break Glacier Hotel

      Glacier Hotel
    • Wednesday Morning - part 2: The Astrophysics of the EoR (Continued)
    • 11:45
      Lunch
    • 13:00
      Glacier 3000 Excursion - Snow Outing - Meet up at 13:00 in front of hotel to head to bus stop Glacier 3000

      Glacier 3000
    • 17:30
      Free time
    • 19:00
      Dinner Glacier Hotel

      Glacier Hotel
  • Thursday, 19 March
    • Thursday morning - part 1: Fundamental Physics with Radio Observatories
      • 45
        Generative Models and Neural Operators for Fuzzy Dark Matter Simulations
        Speaker: Ashutosh Kumar Mishra (EPFL)
        Cosmo_Alps_2026.key
      • 46
        EHT and ngEHT – Constraining Super Massive Black Holes
        Speaker: Chin-Shin Chang (University of Geneva)
      • 47
        Probing Beyond-LCDM cosmologies with the 21cm signal
        Speaker: Maike Voelkel (Institute for Theoretical Physics (ITP), Heidelberg University)
        Cosmoalps_Maike_Voelkel_final.pdf
      • 48
        Signatures of Cosmic Strings in High Redshift 21-cm Maps
        Speaker: Robert Brandenberger (McGill University)
        Robert Brandenberger_Alps-2026.pdf
    • 10:00
      Coffee Break Glacier Hotel

      Glacier Hotel
    • Thursday morning - part 2: Dark & Quiet Skies
    • 11:50
      Lunch Glacier Hotel

      Glacier Hotel
    • Thursday afternoon - part 1: HI in the Post-EoR Universe
      • 53
        HI-deficiency in high-mass halos: implications for forecasting
        Speaker: Catherine Cress (University of South Africa)
        SKACH2026.pdf
      • 54
        Advancing the Understanding of Neutral Hydrogen in the Post-Reionization Universe with the Upgraded GAEA Model
        Speaker: Mohammad Kamran (INAF-Astronomical Observatory of Trieste)
        Mohammad_Kamran_Cosmo_Alps2026.pdf
      • 55
        Updates from the MeerKAT Large Area Synoptic Survey
        Speaker: Dr Piyanat Kittiwisit (UWC, SARAO)
        kittiwisit-cosmo-alps-2026.pdf
      • 56
        Systematics-aware forecasting for neutral hydrogen intensity mapping with CHORD
        Speaker: Sophia Rubens (McGill University)
        CosmoAlps 2026 Rubens.pdf
    • 14:50
      Coffee Break Glacier Hotel

      Glacier Hotel
    • Thursday afternoon - part 2: HI in the Post-EoR Universe (Continued)
      • 57
        Detection of the 21cm Auto Power Spectrum at z ~ 1 with the Canadian Hydrogen Intensity Mapping Experiment
        Speaker: Simon Foreman (Arizona State University)
        Foreman_Alps_2026-03.pdf
      • 58
        Framework for the physical interpretation of HI power spectrum measurement with CHIME
        Speaker: Dr Albin Joseph (Arizona State University)
        Alps_chime_albin_joseph.pdf
      • 59
        Towards 21-cm intensity mapping at 𝑧 = 2.28 with uGMRT using the Tapered Gridded Estimator
        Speaker: Dr Samir Choudhuri (IIT Madras)
      • 60
        Radio Recombination Line Contamination in Post-Reionization 21 cm Intensity Mapping
        Speaker: Pip Samuel Petersen (University of Washington)
        PetersenPip_CitA-Mar19.pptx
      • 61
        Forward Modeling HIRAX Observations Using Fast Halo-Model-Based Simulations of Cosmological HI
        Speaker: Pascal Hitz (ETH Zurich)
        CosmologyintheAlps2026_Pascal_Hitz.pdf
        CosmologyintheAlps2026_Pascal_Hitz.pptx
    • 17:00
      Free time
    • 18:00
      Dinner Glacier Hotel

      Glacier Hotel
    • 19:30
      Snow Shoe Under the Stars
  • Friday, 20 March
    • Friday morning - part 1: Radio source populations as cosmological probes & signposts of LSS
      • 62
        KEYNOTE: Simulating Cosmic Reionization with high-dynamic range
        Speaker: Ilian Iliev (University of Sussex)
        talk_Iliev.pdf
      • 63
        Tracing the Magnetised Cosmic Web with Radio Galaxies Across Cosmic Time.
        Speaker: Dr Pratik Dabhade (Astrophysics Division, NCBJ, Warsaw, Poland)
        Cosmo_Alps2026_MagField-CW_PD.pdf
      • 64
        How to mock a radio sky – multiple population empirical models for future SKAO surveys
        Speaker: Dr Tommaso Ronconi (INAF-IRA)
        FINAL03_2026_RadioMocks@CosmoAlps26.pdf
      • 65
        Source separation for radio weak-lensing measurements using deep learning
        Speaker: Priyam Tripathi (Observatoire de la Côte d’Azur)
        Cosmo_alps_final.pdf
    • 10:00
      Coffee Break Glacier Hotel

      Glacier Hotel
    • Friday morning - part 2: Radio source populations as cosmological probes & signposts of LSS (Continued)
    • 11:30
      Lunch / Lunch bag Glacier Hotel

      Glacier Hotel
    • 13:00
      Departure
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