Timeline for Question about $i$ versus $-i$
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 7, 2021 at 10:19 | comment | added | David Corfield | Right, more is needed. Specifying continuity of automorphisms for C as R^2 is one way of phrasing things. Then specifying i. | |
| Apr 7, 2021 at 8:56 | comment | added | Joel David Hamkins | It is not enough merely to designate a root of -1, since there are many other automorphisms of the complex field, which fix i. You basically have to designate a copy of R inside the field, as well as i. | |
| Apr 7, 2021 at 7:21 | history | edited | Martin Sleziak | CC BY-SA 4.0 |
MathJax: \langle, \rangle
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| Apr 7, 2021 at 6:59 | comment | added | David Corfield | I've just seen I fell into the same trap as Joel. | |
| Apr 7, 2021 at 6:56 | history | answered | David Corfield | CC BY-SA 4.0 |