AI 中文总结
该研究证明光滑三次三维簇辛非有理，重现了Clemens-Griffiths经典非有理定理，其障碍源于量子联络在不规则奇点周围的形式单值性。
AI 中文摘要
我们证明光滑三次三维簇是辛非有理的，这重现了Clemens-Griffiths的经典非有理定理，该障碍由量子联络在不规则奇点周围的形式单值性给出。
英文摘要
We prove that smooth cubic threefolds are symplectically irrational. This recovers the classical irrationality theorem of Clemens-Griffiths. The obstruction is given by the formal monodromy of the quantum connection around the irregular singularity.
Comments8 pages, no figures
