2 papers
math.AC2025
Special fibers of coordinate sections of Hankel Matrices
Katie Ansaldi, Dayane Lira, Maral Mostafazadehfard +2
We investigate the special fibers associated with certain coordinate sections of Hankel determinantal ideals. We provide explicit descriptions of their defining equations, showing…
math.AC2025
Lifting Frobenius splittings through geometric vertex decomposition
Emanuela De Negri, Elisa Gorla, Patricia Klein +2
Frobenius splitting, pioneered by Hochster and Roberts in the 1970s and Mehta and Ramanathan in the 1980s, is a technique in characteristic commutative algebra and algebraic ge…