Timeline for induced homomorphism of adjoint action on fundamental group
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
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| Apr 27, 2017 at 7:59 | comment | added | Xiaoyang Chen | I see, in your mentioned example, take $g=(id, f), f \in Aut (H)$ such that $f_*: \pi_1(H) \rightarrow \pi_1(H)$ is not identity (or not a nilpotent group action), then $(Ad_g)_*: \pi_1(G) \rightarrow \pi_1(G) $ is also not identity (or not a nilpotent group action), right? | |
| Apr 27, 2017 at 6:24 | comment | added | Wilberd van der Kallen | Consider the semi-direct product $G$ of a product $H$ of circle groups with any finite subgroup of the automorphism group of $H$. | |
| Apr 27, 2017 at 4:45 | history | asked | Xiaoyang Chen | CC BY-SA 3.0 |