Timeline for Proving that a product of reflections and an orthogonal matrix is in $\mathrm{SO}_*(V)$
Current License: CC BY-SA 4.0
25 events
| when toggle format | what | by | license | comment | |
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| S Jul 15, 2022 at 4:03 | history | bounty ended | CommunityBot | ||
| S Jul 15, 2022 at 4:03 | history | notice removed | CommunityBot | ||
| Jul 10, 2022 at 6:48 | comment | added | Ben | Note this is also on MSE math.stackexchange.com/questions/4486402/… and PSE physics.stackexchange.com/questions/717507/… | |
| Jul 9, 2022 at 21:05 | comment | added | LSpice | You refer to "the main reference I'm using". What is it? | |
| Jul 9, 2022 at 21:04 | history | edited | LSpice | CC BY-SA 4.0 |
Re-making inadvertently deleted changes from https://mathoverflow.net/revisions/426031/4 (see https://mathoverflow.net/questions/426031/proving-that-a-product-of-reflections-and-an-orthogonal-matrix-is-in-mathrmso#comment1095790_426031), and other tidying
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| Jul 9, 2022 at 3:52 | comment | added | James Garrett | @SanHopkins Sadly, $\det(A)$ can be either $-1$ or $1$. :( | |
| Jul 9, 2022 at 3:26 | comment | added | Sam Hopkins | Do you really want A to be any orthogonal matrix here, or should it be assumed to have determinant one? | |
| Jul 8, 2022 at 23:28 | history | edited | James Garrett | CC BY-SA 4.0 |
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| Jul 8, 2022 at 14:19 | history | edited | James Garrett | CC BY-SA 4.0 |
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| Jul 8, 2022 at 13:52 | history | edited | James Garrett | CC BY-SA 4.0 |
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| Jul 8, 2022 at 13:51 | comment | added | James Garrett | Ohh no, that was unintdntional. | |
| Jul 8, 2022 at 13:49 | comment | added | LSpice | In your latest edit, you undid all the changes from my edit. This is obviously fine if it was intentional, in which case I apologise for an unwelcome edit, but, since you also restored typos (like "bilineal" for "bilinear"), I wonder if it might have been unintentional. | |
| Jul 8, 2022 at 13:43 | history | edited | James Garrett | CC BY-SA 4.0 |
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| Jul 7, 2022 at 5:24 | history | edited | James Garrett | CC BY-SA 4.0 |
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| Jul 7, 2022 at 3:52 | history | edited | James Garrett | CC BY-SA 4.0 |
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| Jul 7, 2022 at 3:51 | comment | added | James Garrett | Yes, sorry. I’ll correct it right away. | |
| Jul 7, 2022 at 3:42 | comment | added | LSpice | Is $p_A$ the same as $P_A$? | |
| Jul 7, 2022 at 3:41 | history | edited | LSpice | CC BY-SA 4.0 |
Minor TeX; deleted "I need help" and "thanks"
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| Jul 7, 2022 at 3:19 | history | edited | James Garrett | CC BY-SA 4.0 |
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| S Jul 7, 2022 at 2:45 | history | bounty started | James Garrett | ||
| S Jul 7, 2022 at 2:45 | history | notice added | James Garrett | Draw attention | |
| Jul 5, 2022 at 4:57 | history | edited | James Garrett | CC BY-SA 4.0 |
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| Jul 5, 2022 at 4:28 | comment | added | Francois Ziegler | Related (from 2 days ago): mathoverflow.net/questions/425926/… | |
| S Jul 5, 2022 at 2:45 | review | First questions | |||
| Jul 5, 2022 at 6:03 | |||||
| S Jul 5, 2022 at 2:45 | history | asked | James Garrett | CC BY-SA 4.0 |