differentiable programming 1geometric multigrid 1JAX implementation 1moving mesh 1particle-mesh methods 1
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astro-ph.IM2026
Fast(er)PM and Moving Mesh: JAX-native Geometric Multigrid Methods
Benjamin Horowitz
The paper introduces a JAX-native geometric multigrid framework for solving Poisson equations in particle‑mesh simulations, offering a communication‑avoiding alternative to FFTs on…
astro-ph.IM2025
diffhydro: Inverse Multiphysics Modeling and Embedded Machine Learning in Astrophysical Flows
Benjamin Horowitz, Zarija LukiÄ, Kentaro Nagamine +1
We present the extension of the differentiable hydrodynamics code, diffhydro, enabling scalable PDE-constrained inference and integrated hybrid physics-ML models for a wide range o…