Algebra and Number Theory Seminar - Spring 2025


Wednesday April 2, 2025 - 3pm in MATH 114


Speaker: Andrew Soto Levins (Texas Tech University)
Title: On liftings of modules of finite projective dimension
Abstract: We discuss a new notion of lifting modules over a Noetherian local ring to a regular local ring. We define a module to be Serre liftable if it lifts to a module of correct dimension over the regular ring. We will discuss an interesting property of such Serre liftable modules: a finite length Serre liftable module must have length at least the Hilbert-Samuel multiplicity of the local ring. This project is joint with Nawaj KC.