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For questions about sheaves on a topological space.

12 votes
Accepted

Is the direct image of a constant sheaf a constant sheaf?

Notation: $f:X \to Y$ is the map we're pushing forward along, and $F$ is our sheaf on $X$. In general the stalks of $f_*F$ at different points will not be isomorphic. For instance if $f$ misses the po …
K.J. Moi's user avatar
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