Research

Publications

• Ammari, H. & Kosche, T. (2025). Nonlinear subwavelength resonances in three dimensions. Studies in Applied Mathematics, doi:10.1111/sapm.70036

• Ammari, H., Barandun, S., Davies, B., Hiltunen, E. O., Kosche, T. & Liu, P. (2024). Exponentially localised interface eigenmodes in finite chains of resonators. Studies in Applied Mathematics, doi:10.1111/sapm.12765

• Ammari, H., Hiltunen, E. O., & Kosche, T. (2023). Design of defected non-hermitian chains of resonator dimers for spatial and spatio-temporal localizations. SIAM Journal on Applied Mathematics, doi:10.1137/23M1573896

• Ammari, H., & Kosche, T. (2023). Topological phenomena in honeycomb Floquet metamaterials. Math. Ann. doi:10.1007/s00208-023-02583-0

• Ammari, H., Hiltunen, E. O., & Kosche, T. (2022) Asymptotic Floquet theory for first order ODEs with finite Fourier series perturbation and its applications to Floquet metamaterials. Journal of Differential Equations doi:10.1016/j.jde.2022.02.047

You can find my google scholar: here.

Talks

• 2025: Wave localization in the subwavelength regime, Tsinghua university, Beijing

• 2025: Nonlinear subwavelength resonances in 3D, Waves in complex media, Paris

• 2025: The sound of bubbles. Invited talk at the Applied Mathematics Colloquium, Columbia University, New York City

• 2024: Design of Defected Non-hermitian Chains of Resonator Dimers for Localization, Waves 2024, Berlin

• 2023: Spatio-temporal localisation in non-hermitian metamaterials, CNRS-Imperial Workshop on Waves and Imaging, London

• 2022: Asymptotic Floquet theory and its application to asymptotic exceptional points, Mathematical Challenges in Quantum Mechanics, Como

Student Projects

• Current: Semester paper. Band gaps and Zak phase of periodic 1D chains of N resonators, Jakob Brüssow.

• 2024: Semester paper. Efficient Computation of Capacitance matrix and error estimates, Franziska Gundersen.

• 2023 - 2024: Master thesis. Infinite periodic acoustic metamaterials with a defect, Sabina Bremer.

• 2023 - 2024: Bachelor thesis. Addition theorems for spherical solutions of Laplace equation, Franziska Gundersen.

Research topics in Habib Ammari's group