infinitesimal-generators

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hulx2002 / LieNLSD

LieNLSD: explicit nonlinear Lie symmetry discovery from dynamical-system and PDE data; discovers Lie algebra dimension and symbolic infinitesimal generators. ICML 2025.

dynamical-systems pde lie-groups lie-algebra equivariance scientific-machine-learning physics-informed-machine-learning symmetry-discovery lie-symmetry infinitesimal-generators

Updated Feb 17, 2026
Python

hulx2002 / LieSD

Star

LieSD: data-driven discovery of continuous Lie symmetries and Lie algebra generators from trained neural networks, supporting vector, multi-channel, and tensor data without group sampling.

machine-learning lie-groups lie-algebra equivariance scientific-machine-learning tensor-data data-driven-discovery equivariant-neural-networks symmetry-discovery lie-symmetry infinitesimal-generators continuous-symmetry

Updated Apr 27, 2025
Python

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