2 papers
math.AG2026
A Comparison of Categories of Nori Motivic Sheaves
Emil Jacobsen, Luca Terenzi
We show that two different possible theories of Nori motivic sheaves, introduced by Ivorra--Morel and by Ayoub, respectively, are canonically equivalent. The proof of this result,…
math.AG2025
The Motivic Picard--Lefschetz Formula
Ran Azouri, Emil Jacobsen
We prove a motivic enhancement of the classical Picard--Lefschetz formula. Our proof is completely motivic, and yields a description of the motivic nearby cycles at a quasi-homogen…