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math.DG2026
Asymptotic behavior at infinity of Weingarten surfaces
Aires E. M. Barbieri, José A. Gálvez, Yuanyuan Lian +1
We derive the asymptotic expansion at infinity for embedded ends of uniformly elliptic Weingarten surfaces with finite total curvature in , and we establish a maximum…
math.AP2026
Inverse Spectral Problem With Low Regularity Refractive Index
Kewen Bu, Youjun Deng, Yan Jiang +1
This article investigates the unique determination of a radial refractive index n from spectral data. First, we demonstrate that for piecewise twice continuously differentiable fun…