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For questions related to divisors in the sense of algebraic geometry (Cartier divisors, Weil divisors and so on). For question on divisors in the number theoretic sense please use the tag divisors-multiples.

3 votes
1 answer
446 views

Pullback of $\mathbb{R}$-Cartier divisors

He says that this doesn't depends on the expression of $D$ (There are many ways to decompose $D$ as linear combination of Cartier divisors). How can I see that? A similar fact(?) …