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Local inequalities for $cD$ and $cE$ singularities

Chang, Chi-Kang et al.
arXiv (All) · Papers
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algebraic-geometry
We obtain inequalities for isolated $cD_n, cE_6, cE_7$ and $cE_8$ singularities, analogues of the $4μ^2/(n+1)$-inequality for isolated $cA_n$ singularity in \cite{KOP}. These inequalities are sharp. This enables us to prove the birational rigidity of certain families of Fano $3$-fold weighted hypers
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