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math.AG2026
Multigraded Hurwitz forms
Elizabeth Pratt, Luca Sodomaco, Bernd Sturmfels
The Hurwitz form of a projective variety characterizes linear spaces of complementary dimension which meet the variety non-transversally. We extend this notion to varieties in a pr…
math.AG2025
What is Positive Geometry?
Kristian Ranestad, Bernd Sturmfels, Simon Telen
This article serves as an introduction to the special volume on Positive Geometry in the journal Le Matematiche. We attempt to answer the question in the title by describing the or…