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Results tagged with blow-ups
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user 125301
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Functoriality of the Blow-Up
I wonder if the statement (about the existence of $\tilde f$) is correct. Consider the case when $W=X=\mathbb{C}^3$, $f=id_X$, $\mathcal{I}$ is the ideal sheaf of a line $L$, and $\mathcal{K}$ is the …
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