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Continuum theory, point-set topology, spaces with algebraic structure, foundations, dimension theory, local and global properties.

8 votes
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453 views

Is the property of being a connected component local?

More precisely, my question is as follows: Let $X$ be a qcqs scheme, $Z \subset X$ a closed subscheme and assume that there exists an open affine subscheme $U \subset X$ containing $Z$ such that $Z$ i …
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