2021/07/16 by Paulina Wiśniewska, Maciej Zięba, Wiśniewska, Paulina +1
Computer Science · Engineering · #13A15 #14C20 #14N20 #Advanced Numerical Analysis Techniques #Algebraic Geometry (math.AG) #Computational Geometry and Mesh Generation #Digital Image Processing Techniques #FOS: Mathematics
paper · pdf · doi:10.48550/arxiv.2107.08107
openalex publication_date 2021/07/16 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
In the present note we give an example of a finite set of points in ℙ3 which has the so-called geproci property, but it is neither a grid nor a half-grid. This answers a question on the existence of such sets rised by Pokora, Szemberg and Szpond [arXiv:2010.08863].