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Author

Federico Scavia

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Preprint Sep 2026

Noether's problem for $A_6$ and $A_7$

We prove that $B_kA_6$ is stably rational over every field $k$ in which $2$ and $-3$ are nonzero squares. Combining this with a theorem of Plans, we deduce that $B_kA_7$ is stably rational over every field $k$ of characteristic zero in which $2$ and $-3$ are squares.

Federico Scavia · 0 citations
Preprint Aug 2026

Finite abelian subgroups of algebraic groups

Let $k$ be an algebraically closed field, and let $G$ be an algebraic $k$-group. We study finite abelian $k$-subgroups $A \subset G$ whose order is not divisible by the characteristic of $k$. This is a classical topic in the theory of algebraic groups going back to the work of Borel in the early 1960s. We sharpen previ...

Danny Ofek, Z. Reichstein, Federico Scavia · 0 citations

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