Author

James B. Larsen

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Preprint Jul 2026

Equivariant Continuous Normalizing Flows with Offline Sampling for Fermionic Ground State Estimation

We introduce a framework for fermionic variational Monte Carlo (VMC) in which a continuous normalizing flow (CNF) refines a fixed antisymmetric base wavefunction. The flow is implemented as a permutation-equivariant neural ODE, a smooth, topology-preserving map that learns correlations not captured by the base; equivar...

S. Cochran, James B. Larsen, Andrew Wray et al. · 0 citations

#software testing Preprint Aug 2026

Constrained minimax approximation for quantum signal processing

This work introduces nonlinear Fourier retraction, which uses QSP completion and phase synthesis to turn a nearly feasible polynomial into phase factors for a feasible QSP polynomial without increasing the degree.

Yu-Long Dong, James B. Larsen, Lin Lin et al. · 0 citations