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Karthik Duraisamy

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#machine learning Preprint Dec 2025

Residual-augmented flow matching operators for probabilistic partial differential equations

A residual-augmented probabilistic operator learning framework that casts flow-matching-based generative modeling in infinite-dimensional function spaces while leveraging inexpensive low-fidelity solution operators as an inductive bias and enables accurate characterization of uncertainty in low-data regimes.

Sahil Bhola, Karthik Duraisamy · 3 citations
Preprint Jul 2026

Evolutionary Feature Engineering for Structured Data

EFE demonstrates that LLM-based evolution can improve both accuracy and interpretability when automatically tackling structured data, and is found to be particularly effective on classical decision trees.

Ege Onur Taga, Yilin Zhuang, M. E. Ildiz et al. · 0 citations
#machine learning Preprint Jul 2026

In-span learning: adapting reduced-order models using their own predictions

The discovered that a complementary and previously unexploited in-span adaptation channel exists within the current reduced subspace, and obtains a trajectory-informed spectral preconditioner, in which the subspace is unchanged but the basis is reweighted and realigned toward the modes visited by the dynamics.

Amirpasha Hedayat, Laura Balzano, Karthik Duraisamy · 0 citations

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