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math.AP2024
Magnetic Steklov problem on surfaces
Mihajlo Cekić, Anna Siffert
The magnetic Dirichlet-to-Neumann map encodes the voltage-to-current measurements under the influence of a magnetic field. In the case of surfaces, we provide precise spectral asym…
math.DG2024
Construction of -harmonic submanifolds
José Miguel Balado-Alves, Anna Siffert
We provide a construction method for biharmonic submanifolds in cohomogeneity one manifolds. In particular, we give new examples of biharmonic submanifolds and study the normal ind…
math.DG2024
Global eigenfamilies on closed manifolds
Oskar Riedler, Anna Siffert
We study globally defined -eigenfamilies on closed Riemannian manifolds. Among others, we provide (non-)existence results for such eigenfamilies, examine their topological p…