Is there an example of a non-affine scheme $X$ such that every short exact sequence of vector bundles over $X$ splits? If there are such examples then what if we ask it to be true of all (not necessarily finite rank) locally free $\mathcal{O}_X$-modules
1 Answer
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Affine plane with double origin works.
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2$\begingroup$ Punctured affine plane also works. $\endgroup$ Commented Aug 26, 2021 at 10:30
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