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math.RT2026
Lectures on singularity categories
Matt Booth
These are notes for a graduate-level introductory course on singularity categories.
math.AC2026
The generators of a colon ideal with an application to the weak Lefschetz property for monomial almost complete intersections in three variables
Matthew Davidson Booth, Adela Vraciu
Much progress has been made in classifying when the weak Lefschetz property holds for where and $I=(x^{d_{1}},y^{d_{2}},z^{d_{3}…