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most citedStable least-squares space-time boundary element methods for the wave equation

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math.NA2022

Calderón Preconditioning for Acoustic Scattering at Multi-Screens

Kristof Cools, Carolina Urzúa-Torres

We propose a preconditioner for the Helmholtz exterior problems on multi-screens. For this, we combine quotient-space BEM and operator preconditioning. For a class of multi-screens…