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cs.IT2025
Compressed Newton-direction-based Thresholding Methods for Sparse Optimization Problems
Nan Meng, Yun-Bin Zhao
Thresholding algorithms for sparse optimization problems involve two key components: search directions and thresholding strategies. In this paper, we use the compressed Newton dire…
math.AP2025
MUSIC algorithm for locating point-like scatterers with multiple interactions
Nana Meng
We study the inverse problem of locating point sources from far-field data under plane wave incidence. A direct computational method is developed based on multiple scattering theor…