Timeline for Is the sum of spectral projections a projection?
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
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| Oct 9, 2015 at 14:27 | comment | added | Simon Henry | I don't see why the spliting of the curves in $n$ smaller curves is not a proof of this ? | |
| Oct 9, 2015 at 14:25 | comment | added | Michael Renardy | This is just the deformation theorem for complex contour integration. | |
| Oct 9, 2015 at 14:15 | answer | added | Chris Ramsey | timeline score: 1 | |
| Oct 9, 2015 at 14:01 | comment | added | Frank | That's actually my motivation. In general, a sum of projections isn't a projection anymore, unless they are orthogonal. Buy the Cauchy Formula for spectral projections suggests that this is the case and I want to know if that's true. | |
| Oct 9, 2015 at 13:59 | comment | added | Suvrit | maybe these need to be mutually orthogonal? | |
| Oct 9, 2015 at 13:35 | history | edited | Frank | CC BY-SA 3.0 |
Added $2\pi i$
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| Oct 9, 2015 at 13:28 | history | asked | Frank | CC BY-SA 3.0 |