Author

Somyajit Chakraborty

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#machine learning Preprint Sep 2026

Do Better Scores Mean Better Physics? Physics-Grounded Explanations for Sim2Real Neural Operators

Machine-learning surrogates accelerate physical simulation, but lower prediction error need not coincide with lower error in physically relevant flow statistics. We examine this question for flow around a NACA4418 airfoil using paired computational-fluid-dynamics simulations and experimental particle-image-velocimetry...

Somyajit Chakraborty, Xi-Zhong Chen · 0 citations

#machine learning Preprint Aug 2026

A Spectral Identifiability Threshold for Dissipative Rate Recovery from Truncated Liouvillian Spectra

Open quantum systems lose energy and phase coherence through different dissipative processes, but these processes can produce overlapping dynamical signatures. The Liouvillian spectrum summarizes how such a system relaxes, yet it is not obvious how much of that spectrum is needed to distinguish the underlying dissipati...

Yujun Ji, Somyajit Chakraborty · 0 citations