Timeline for Continuous map with homeomorphic fibers whose associated $H^{k}_c$ sheaf is not a local system?
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
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| Jun 6, 2018 at 19:36 | comment | added | Ben Wieland | If you allow disconnected examples, and you allow the dimension to jump, then there is the holomorphic example of $\mathbb C\cup pt\to \mathbb C$, where the map on $\mathbb C$ is the squaring map and the point goes to $0$ to fix that fiber. | |
| Jun 6, 2018 at 19:34 | comment | added | Ben Wieland | I forgot to make it connected, but just glue the ends. In other words $S^1\to [0,1]\to S^1$ where the first map is cosine and the second map is gluing the endpoints of the interval. | |
| May 26, 2018 at 20:03 | history | answered | Ben Wieland | CC BY-SA 4.0 |