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math.AC2012
Lyubeznik numbers in mixed characteristic
Luis Núñez-Betancourt, Emily E. Witt
This manuscript defines a new family of invariants, analogous to the Lyubeznik numbers, associated to any local ring whose residue field has prime characteristic. In particular, as…
math.AC2012
Generalized Lyubeznik numbers
Luis Núñez-Betancourt, Emily E. Witt
Given a local ring containing a field, we define and investigate a family of invariants that includes the Lyubeznik numbers, but that captures finer information. These "generalized…