Timeline for Unique words in dihedral groups
Current License: CC BY-SA 3.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 18, 2017 at 1:12 | comment | added | Bjørn Kjos-Hanssen | I'm interested in when we can have $\varphi(x)^2=1$... might ask about that later | |
| Aug 18, 2017 at 0:32 | history | edited | Bjørn Kjos-Hanssen | CC BY-SA 3.0 |
improved formatting
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| Aug 17, 2017 at 15:05 | history | edited | Luc Guyot | CC BY-SA 3.0 |
Fixed wrong conclusion of Proof of Claim 2, case (1).
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| Aug 17, 2017 at 5:46 | history | edited | Luc Guyot | CC BY-SA 3.0 |
Added two forgotten, and obvious, admissible words in the proof of Claim 3.
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| Aug 17, 2017 at 2:46 | vote | accept | Bjørn Kjos-Hanssen | ||
| Aug 17, 2017 at 2:45 | comment | added | Bjørn Kjos-Hanssen | Looks great. And yes there is no case (4): $a$ and $b$ are non-commuting and both of order $>2$, because the elements are of the form $r^ks$ and $r^k$ where $s^2=1$, and $(r^ks)^2=r^kr^{-k}ss=1$. | |
| Aug 16, 2017 at 23:16 | history | edited | Luc Guyot | CC BY-SA 3.0 |
Stress on positivity of the answer
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| Aug 16, 2017 at 23:08 | history | answered | Luc Guyot | CC BY-SA 3.0 |