activity
20232026
most citedMultiple Physics Pretraining for Physical Surrogate Models

16 citations · 30 across the 13 of their papers we have counts for

collaborators

15 papers

physics.flu-dyn2026

Emergent Transfer of a Physics Foundation Model from Simulation to Laboratory Turbulence

Payel Mukhopadhyay, Stefan S. Nixon, Romain Watteaux +20

Whether physics foundation models can be usefully deployed on laboratory experiments remains an open question for scientific machine learning (ML). We test this question on the Ray…

cs.AI2026★ 1 cited

MIMIC: A Generative Multimodal Foundation Model for Biomolecules

Siavash Golkar, Jake Kovalic, Irina Espejo Morales +28

Biological function emerges from coupled constraints across sequence, structure, regulation, evolution, and cellular context, yet most foundation models in biology are trained with…

cs.LG2026

Representation Learning for Spatiotemporal Physical Systems

Helen Qu, Rudy Morel, Michael McCabe +4

Machine learning approaches to spatiotemporal physical systems have primarily focused on next-frame prediction, with the goal of learning an accurate emulator for the system's evol…

cs.LG2026

On the Value of Tokeniser Pretraining in Physics Foundation Models

Hadi Sotoudeh, Payel Mukhopadhyay, Ruben Ohana +4

We investigate the impact of tokeniser pretraining on the accuracy and efficiency of physics emulation. Modern high-resolution simulations produce vast volumes of data spanning div…

cs.LG2025

Physics Steering: Causal Control of Cross-Domain Concepts in a Physics Foundation Model

Rio Alexa Fear, Payel Mukhopadhyay, Michael McCabe +2

Recent advances in mechanistic interpretability have revealed that large language models (LLMs) develop internal representations corresponding not only to concrete entities but als…

cs.LG2025

Predicting partially observable dynamical systems via diffusion models with a multiscale inference scheme

Rudy Morel, Francesco Pio Ramunno, Jeff Shen +18

Conditional diffusion models provide a natural framework for probabilistic prediction of dynamical systems and have been successfully applied to fluid dynamics and weather predicti…

astro-ph.IM2025

Universal Spectral Tokenization via Self-Supervised Panchromatic Representation Learning

Jeff Shen, Francois Lanusse, Liam Holden Parker +24

Sequential scientific data span many resolutions and domains, and unifying them into a common representation is a key step toward developing foundation models for the sciences. Ast…

cs.LG2025

Walrus: A Cross-Domain Foundation Model for Continuum Dynamics

Michael McCabe, Payel Mukhopadhyay, Tanya Marwah +22

Foundation models have transformed machine learning for language and vision, but achieving comparable impact in physical simulation remains a challenge. Data heterogeneity and unst…

astro-ph.IM2025

AION-1: Omnimodal Foundation Model for Astronomical Sciences

Liam Parker, Francois Lanusse, Jeff Shen +24

While foundation models have shown promise across a variety of fields, astronomy still lacks a unified framework for joint modeling across its highly diverse data modalities. In th…

cs.LG2025

Overtone: Cyclic Patch Modulation for Clean, Efficient, and Flexible Physics Emulators

Payel Mukhopadhyay, Michael McCabe, Ruben Ohana +1

Transformer-based PDE surrogates achieve remarkable performance but face two key challenges: fixed patch sizes cause systematic error accumulation at harmonic frequencies, and comp…

cs.LG2025

Lost in Latent Space: An Empirical Study of Latent Diffusion Models for Physics Emulation

François Rozet, Ruben Ohana, Michael McCabe +3

The steep computational cost of diffusion models at inference hinders their use as fast physics emulators. In the context of image and video generation, this computational drawback…

cs.LG2024★ 6 cited

The Well: a Large-Scale Collection of Diverse Physics Simulations for Machine Learning

Ruben Ohana, Michael McCabe, Lucas Meyer +24

Machine learning based surrogate models offer researchers powerful tools for accelerating simulation-based workflows. However, as standard datasets in this space often cover small…

cs.LG2024

Contextual Counting: A Mechanistic Study of Transformers on a Quantitative Task

Siavash Golkar, Alberto Bietti, Mariel Pettee +12

Transformers have revolutionized machine learning across diverse domains, yet understanding their behavior remains crucial, particularly in high-stakes applications. This paper int…

cs.LG2023★ 16 cited

Multiple Physics Pretraining for Physical Surrogate Models

Michael McCabe, Bruno Régaldo-Saint Blancard, Liam Holden Parker +11

We introduce multiple physics pretraining (MPP), an autoregressive task-agnostic pretraining approach for physical surrogate modeling of spatiotemporal systems with transformers. I…

stat.ML2023★ 7 cited

xVal: A Continuous Numerical Tokenization for Scientific Language Models

Siavash Golkar, Mariel Pettee, Michael Eickenberg +11

Due in part to their discontinuous and discrete default encodings for numbers, Large Language Models (LLMs) have not yet been commonly used to process numerically-dense scientific…