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math.DG2026
Coordinate isoperimetric mass and a positive mass theorem for distributional scalar curvature
Melanie Graf, Eduardo Hafemann
Extending the well-known Riemannian positive mass theorem to low-regularity metrics is an ongoing effort, starting from the early 2000s, that has recently seen renewed interest. Co…
math.NA2026
A piecewise constant levelset approach for semi-blind deconvolution: Application to barcode decoding
Adriano De Cezaro, Eduardo Hafemann, Antonio Leitão
We consider a semi-blind deconvolution problem arising in the decoding of blurred linear barcodes. Building on the Piecewise Constant Level Set (PCLS) framework introduced in [De\,…
math.DG2026
A low-regularity Riemannian positive mass theorem for non-spin manifolds with distributional curvature
Eduardo Hafemann
This article establishes a low-regularity Riemannian positive mass theorem for non-spin manifolds whose metrics are only and smooth outside a comp…