3 papers
math.AG2026
Degenerating Discriminants
Viktoriia Borovik, Clara Briand
We study the behavior of projective dual varieties and discriminants under flat degenerations. For Gröbner degenerations, we show that the conormal variety admits a Gröbner degen…
math.CO2026
Polar Degrees of Matroids
Clara Briand, Leonie Kayser, Julian Weigert
We show that the polar degrees of the coordinate-wise inverse of a linear subspace are given by the coefficients of a substitution of the reduced charact…
math.HO2026
Benchmarks in Leipzig
Andrei Balakin, Miklós Bóna, Marie-Charlotte Brandenburg +45
Between April 1 and May 15, 2026, a group of 49 mathematicians compiled a dataset of research-level mathematics questions with known answers. Most of the work was done during the 3…