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math.AP2021★ 1 cited
Cones with convoluted geometry that always scatter or radiate
Emilia Blåsten, Valter Pohjola
We investigate fixed energy scattering from conical potentials having an irregular cross-section. The incident wave can be any arbitrary non-trivial Herglotz wave. We show that a l…
math.AP2021
On quantitative Runge approximation for the time harmonic Maxwell equations
Valter Pohjola
Here we derive some results on so called quantitative Runge approximation in the case of the time-harmonic Maxwell equations. This provides a Runge approximation having more explic…