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stat.ME2026
From Fourier Amplitudes to Persistence Images for Impact-Echo Defect Detection
Keunsu Kim, Suyoung Choi, Meiyan Kang
Impact-echo testing is a nondestructive testing method used to detect internal defects in concrete structures. However, boundary reflections, structured interference, and measureme…
math.AT2026
On small covers over Bier spheres
Suyoung Choi, Younghan Yoon, Seonghyeon Yu
The Bier sphere of a simplicial complex is defined as the deleted join of and its combinatorial Alexander dual. We focus on the class of Bier spheres of the skeleta of a si…