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Latent Mamba Operator for Partial Differential Equations

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arxiv 2505.19105 v2 pith:U5AGS5UI submitted 2025-05-25 cs.LG

Latent Mamba Operator for Partial Differential Equations

classification cs.LG
keywords neuraloperatorslatentoperatordifferentialequationsexistingintegral
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Neural operators have emerged as powerful data-driven frameworks for solving Partial Differential Equations (PDEs), offering significant speedups over numerical methods. However, existing neural operators struggle with scalability in high-dimensional spaces, incur high computational costs, and face challenges in capturing continuous and long-range dependencies in PDE dynamics. To address these limitations, we introduce the Latent Mamba Operator (LaMO), which integrates the efficiency of state-space models (SSMs) in latent space with the expressive power of kernel integral formulations in neural operators. We also establish a theoretical connection between state-space models (SSMs) and the kernel integral of neural operators. Extensive experiments across diverse PDE benchmarks on regular grids, structured meshes, and point clouds covering solid and fluid physics datasets, LaMOs achieve consistent state-of-the-art (SOTA) performance, with a 32.3% improvement over existing baselines in solution operator approximation, highlighting its efficacy in modeling complex PDE solutions.

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Cited by 7 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Stable Long-Horizon PDE Forecasting via Latent Structured Spectral Propagators

    cs.LG 2026-05 unverdicted novelty 7.0

    A latent Structured Spectral Propagator enables stable autoregressive PDE forecasting by decoupling spatial details from recurrent modal dynamics.

  2. Faster by Design: Interactive Aerodynamics via Neural Surrogates Trained on Expert-Validated CFD

    cs.LG 2026-04 unverdicted novelty 7.0

    A graph-based neural operator trained on expert-validated race-car CFD data reaches accuracy levels usable for early-stage interactive aerodynamic design exploration.

  3. SPAMoE: Spectrum-Aware Hybrid Operator Framework for Full-Waveform Inversion

    cs.LG 2026-04 unverdicted novelty 7.0

    SPAMoE reduces average MAE by 44.4% on OpenFWI datasets for full-waveform inversion via a spectral-preserving DINO encoder and dynamic frequency-band routing to specialized neural operators.

  4. SPAMoE: Spectrum-Aware Hybrid Operator Framework for Full-Waveform Inversion

    cs.LG 2026-04 conditional novelty 6.5

    SPAMoE reduces average MAE by 44.4% on ten OpenFWI sub-datasets via a spectral-preserving DINO encoder plus frequency-routed MoE of FNO, MNO and LNO experts.

  5. Structure-Preserving Learning Improves Geometry Generalization in Neural PDEs

    cs.LG 2026-02 conditional novelty 6.0

    A geometry-conditioned Whitney-form neural network that solves a learned discrete conservation law improves out-of-distribution geometry generalization for steady-state PDEs compared with regression-based neural operators.

  6. Data-free neural PDE solvers based on Graph Neural Networks and weak forms

    cs.CE 2026-07 conditional novelty 5.0

    A graph-neural-network PDE solver trained on the weak-form force residual — no simulation data — reports residual convergence below 1% on unseen load cases and one modified geometry, with residual-based test-time refinement.

  7. Graph Mamba Operator: A Latent Simulator for Interacting Particle Systems

    cs.LG 2026-06 unverdicted novelty 5.0

    GraMO couples graph interactions and temporal state updates in one linear recurrence with input-dependent coefficients to simulate N-body, motion, and robotics systems with lower long-horizon error than prior GNN or S...