most citedSquare Root Operators and the Well-Posedness of Pseudodifferential Parabolic Models of Wave Phenomena

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math.NA2026

A perfectly matched layer approach for the spectral split-step Padé method

Daniel Walsken, Matthias Ehrhardt, Pavel Petrov

The split-step-Padé (SSP) method is widely used to model wave phenomena in various applications, including radio physics, optics and acoustics. In this method, the propagator of th…