Selected Preprints
Below is a list of selected preprints of mine. Any preprint can be viewed
by clicking the corresponding link.
- Spectra and pseudo-spectra of tridiagonal k-Toeplitz matrices and the topological origin of the non-Hermitian skin effect
(with S. Barandun, Y. De Bruijn, P. Liu, and C. Thalhammer).
- Exponentially localised interface eigenmodes in finite chains of resonators
(with S. Barandun, B. Davies, E.O. Hiltunen, T. Kosche, and P. Liu).
- A two-scale effective model for defect-induced localization transitions in non-Hermitian systems
(with B. Davies, S. Barandun, E.O. Hiltunen, and R.V. Craster).
- The non-Hermitian skin effect with three-dimensional long-range coupling
(with S. Barandun, J. Cao, B. Davies, E.O. Hiltunen, and P. Liu).
- Perturbed Block Toeplitz matrices and the non-Hermitian skin effect in dimer systems of subwavelength resonators
(with S. Barandun and P. Liu).
- Spectral convergence in large finite resonator arrays: the essential spectrum and band structure
(with B. Davies and E.O. Hiltunen).
- A mathematical theory of resolution limits for super-resolution of positive sources
(with P. Liu and Y. He).
- Edge modes in active systems
of subwavelength resonators (with E.O. Hiltunen).