2 papers
math.AP2026
Spectral theory of plasmonic resonances in the nonlocal regime
Hyundae Lee, Matias Ruiz, Sanghyeon Yu
We present a rigorous spectral analysis of plasmonic resonances in the nonlocal regime of spatially dispersive media. We adopt the quasi-static approximation of the hydrodynamic Dr…
eess.IV2025
Mathematical Foundation of Sparsity-based Multi-snapshot Spectral Estimation
Ping Liu, Sanghyeon Yu, Ola Sabet +2
In this paper, we study the spectral estimation problem of estimating the locations of a fixed number of point sources given multiple snapshots of Fourier measurements in a bounded…