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math.AG2025
Equivariant rationality of Fano threefolds in the family \textnumero 2.12
Oliver Li, Joseph Malbon, Antoine Pinardin
We prove that a faithful group action on the smooth complete intersection of three divisors of bidegree in $\p^3\times\p^3$ is linearisable if and only if $\rk(\pic^G(X…
math.AG2025
A Semi-Orthogonal Decomposition Theorem for Weighted Blowups
Oliver Li
We establish a semi-orthogonal decomposition for the weighted blowup of an algebraic stack along a Koszul-regular weighted centre, generalising the classic result of Orlov. Our app…