Identifiability through special linear measurements

May 30, 2025 Β· Declared Dead Β· πŸ› arXiv.org

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Authors Fulvio Gesmundo, Alexandros Grosdos, AndrΓ© Uschmajew arXiv ID 2505.24328 Category math.AG Cross-listed cs.IT, math.NA Citations 1 Venue arXiv.org Last Checked 3 months ago
Abstract
We show that one can always identify a point on an algebraic variety $X$ uniquely with $\dim X +1$ generic linear measurements taken themselves from a variety under minimal assumptions. As illustrated by several examples the result is sharp, that is, $\dim X$ measurements are in general not enough for unique identifiability.
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