2 papers
math.CO2024
A "Staircase" formula for the Chern-Schwartz-MacPherson cycle of a matroid
Franquiz Caraballo Alba, Jeffery Liu
We provide a formula for the Poincaré dual of the Chern-Schwartz-MacPherson (CSM) cycle of a matroid in the Chow ring of the matroid. We derive the formula from the case of matroid…
math.AG2023
Linear orbits of smooth quadric surfaces
Franquiz Caraballo Alba
The linear orbit of a degree d hypersurface in is its orbit under the natural action of PGL(n+1), in the projective space of dimension parame…