Ibrahim Elsharkawy

Physicist &
ML Researcher

PhD candidate studying generative models for physical systems and building foundation models for science.

University of Toronto, Vector Institute, Berkeley Lab (NERSC)

PhD advised by Yoni Kahn, committee: David Curtin & Chris Maddison
NERSC advised by Wahid Bhimji, Benjamin Nachman, Aishik Ghosh

Physics for AI, AI for Physics.

1st place, NeurIPS Higgs ML Challenge, NSERC CGRS-D, Connaught Fellow

Ibrahim Elsharkawy
Research

Select Papers

  1. PreprintUnder review
    Ibrahim Elsharkawy, et al.
    arXiv preprint, 2026
  2. PreprintUnder review
    Zachary Bogorad, Ibrahim Elsharkawy, et al.
    arXiv preprint, 2026
  3. The Omni family: cross-domain scientific foundation models
    Preprint2025–26Under review
    Ibrahim Elsharkawy, et al. (OmniMol); Vinicius Mikuni, et al. (OmniCosmos)
    Transferring particle-physics knowledge to molecular dynamics and cosmology.
  4. PreprintUnder review
    Ibrahim Elsharkawy and Yonatan Kahn
    arXiv preprint, 2025
  5. Published, MLST 2025
    Ibrahim Elsharkawy, et al.
    Machine Learning: Science and Technology, vol. 6, no. 3, 2025
Recent

News

  • Jun 2026

    NERSC AI4Sci proposal accepted: awarded 7,000 GPU compute node-hours

  • Jun 2026

    FAIR Universe Weak Lensing ML Uncertainty Challenge accepted to NeurIPS 2026

  • Jun 2026

    Released Pre-Training for Simulation-Based Science (paper + code)

    Talks at Vector Institute & Stanford Data Science
    Pre-Training for Simulation-Based Science talk
  • Apr 2026

    Awarded the NSERC Doctoral Canadian Graduate Research Scholarship (CGRS-D)

  • Feb 2026

    Guest lecturer for “The Physics of Machine Learning” at the University of Toronto

  • Jan 2026

    Released OmniMol (first-author) and OmniCosmos preprints

  • Sep 2025

    HiggsML Uncertainty Challenge accepted to NeurIPS 2025; first-place prize (ex aequo) at CERN

    Talk at the CERN IML Machine Learning conference
    First-place prize at CERN, HiggsML Uncertainty Challenge
  • May 2025

    Released the Contrastive Normalizing Flows preprint

    Invited talks at MIT IAIFI, ExxonMobil & Berkeley Lab
    Contrastive Normalizing Flows invited talk
  • Mar 2025

    Awarded the University of Toronto Connaught International Fellowship

  • Dec 2024

    Invited talk on the first-place Higgs solution at NeurIPS 2024; NeurIPS Milestone award

    Poster at the ML & the Physical Sciences (ML4PS) workshop
    NeurIPS 2024 invited talk
Research

Research Focus

Physics for AI

Physics Data for Understanding ML

Leveraging the controllable generation and known symmetries of physics datasets to probe the internal mechanisms of deep neural networks.

Contrastive Normalizing Flows →

Physics for AI

Physics-Inspired Theory for Scaling Laws

Using effective field theory to predict neural-network ensemble behavior and derive uncertainty scaling laws without training an ensemble.

Ensemble Variance Scaling Laws →

AI for Physics

Automating Scientific Model Building

Developing ML for “theory inversion”: parameter estimation with uncertainty quantification, simulation emulation, and automated theory writing.

Generative Models on Phase Space →

AI for Physics

Cross-Domain Foundation Models

Foundation models for scientific point clouds that transfer knowledge across particle physics, cosmology, and molecular dynamics.

The Omni family →

Photography

Some fun Astrophotography and Portrait work.

Milky Way astrophotography by Ibrahim Elsharkawy
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