Proves restrictions on non-symplectic indices of automorphism groups of smooth cubic fourfolds and classifies all possible symplectic-plus-full group pairs for rank-19 coinvariant lattices.
Abelian automorphism groups of cubic fourfolds
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abstract
We list all finite abelian groups which act effectively on smooth cubic fourfolds.
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math.AG 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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Non-symplectic Indices of Automorphism Groups of Smooth Cubic Fourfolds
Proves restrictions on non-symplectic indices of automorphism groups of smooth cubic fourfolds and classifies all possible symplectic-plus-full group pairs for rank-19 coinvariant lattices.