C. Vinzant

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20242026

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math.AG2025

Moments, Sums of Squares, and Tropicalization

Grigoriy Blekherman, Felipe RincÃ³n, Rainer Sinn +2

We use tropicalization to study the duals to cones of nonnegative polynomials and sums of squares on a semialgebraic set $S$ . The truncated cones of moments of measures supported o…

math.AG2024

Lines, Quadrics, and Cremona Transformations in Two-View Geometry

Erin Connelly, Rekha R. Thomas, Cynthia Vinzant

Given $7 \leq k \leq 9$ points $(x_{i}, y_{i}) \in P^{2} \times P^{2}$ , we characterize rank deficiency of the $k \times 9$ matrix $Z_{k}$ with rows $x_i^\top \otimes y_i^\t…