I have a question concerning a computation of the first Chern class of a quintic three-fold $X \subseteq \mathbb{CP}^4$. It is claimed that $X$ is Calabi--Yau, so $c_1(X) =0$. Can someone provide an explicit computation showing this?
2026-03-25 11:03:14.1774436594
Explicit computation of the first Chern class of a quintic three-fold
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