Timeline for exp(S) exp(T) = exp(S+T) for commuting operators
Current License: CC BY-SA 3.0
3 events
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| Feb 5, 2015 at 19:51 | comment | added | bernhard | This is a nice differential equation type solution. As a variation I would set $F(t) = e^{rT} e^{rS} e^{(1-r)(T+S)}$ and observe its zero derivative and compare $F(1)$ and $F(0)$ ... | |
| Feb 5, 2015 at 12:21 | comment | added | Denis Serre | This is actually the method (in a simpler context though) to prove Campbell-Hausdorff's formula. | |
| Feb 5, 2015 at 9:44 | history | answered | gsa | CC BY-SA 3.0 |