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math.NA2026
Optimal error bounds on the exponential integrator for dispersive equations with highly concentrated potential
Guillaume Bal, Chushan Wang
We study a one-dimensional linear dispersive equation of differential order with concentrated potential of extension with , featuring…
math.NA2025★ 2 cited
Splitting algorithms for paraxial and Itô-Schrödinger models of wave propagation in random media
Guillaume Bal, Anjali Nair
This paper introduces a full discretization procedure to solve wave beam propagation in random media modeled by a paraxial wave equation or an Itô-Schrödinger stochastic partial di…