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math.AG2022
Algebraic and o-minimal flows beyond the cocompact case
Spencer Dembner, Hunter Spink
Let be an algebraic variety, and let be a discrete subgroup whose real and complex spans agree. We describe the topological closure…
math.AG2022★ 3 cited
Signed permutohedra, delta-matroids, and beyond
Christopher Eur, Alex Fink, Matt Larson +1
We establish a connection between the algebraic geometry of the type B permutohedral toric variety and the combinatorics of delta-matroids. Using this connection, we compute the vo…