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Algebra and Geometry Seminar: Ritvik Ramkumar (Notre Dame)

Event Type: 
Seminar
Speaker: 
Ritvik Ramkumar (Notre Dame)
Event Date: 
Wednesday, November 4, 2026 -
3:00pm to 4:00pm
Location: 
Zoom

Event Description: 

 

Title: Hodge theory and Gröbner degenerations 

Abstract:  Gröbner degenerations relate projective schemes to schemes defined by monomials. When the special fiber is a Stanley-Reisner scheme, its combinatorics encodes rich information about the original scheme. Conca and Varbaro showed that such degenerations preserve the dimensions of all twisted structure-sheaf cohomology groups, in particular, Cohen-Macaulayness, and regularity. They also conjectured restrictions on the singularities of the affine cones along the degeneration. In this talk, I will explain this conjecture and describe a proof using Hodge theory. 

Location: https://unm.zoom.us/j/99095700847 (Passcode: UNMAG)

Event Contact

Contact Name: Deba Raychaudhury

Contact Email: draychaudhury@unm.edu