Timeline for Which directed graphs have a normal adjacency matrix?
Current License: CC BY-SA 3.0
15 events
| when toggle format | what | by | license | comment | |
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| May 13, 2023 at 14:03 | answer | added | Brendan McKay | timeline score: 1 | |
| May 13, 2023 at 10:39 | history | edited | Rodrigo de Azevedo |
edited tags
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| May 13, 2023 at 9:23 | answer | added | Cyriac Antony | timeline score: 0 | |
| Dec 18, 2018 at 20:28 | answer | added | Deniz Eroglu | timeline score: 1 | |
| Jan 11, 2018 at 7:56 | comment | added | Mustafa Said | @SandeepSilwal I never got a got a good answer. | |
| Jan 5, 2018 at 16:24 | comment | added | Sandeep Silwal | @MustafaSaid Did you ever manage to get a good answer ? I am also interested in this question | |
| Dec 15, 2013 at 20:46 | comment | added | hbm | Maybe you could look at some sample of graphs that arise from the type of matrices you are studying and then recognize the class of graph at play. Sometimes it is easier to recognize a class of graph by looking at sample graphs. | |
| Dec 14, 2013 at 15:44 | answer | added | Chris Godsil | timeline score: 5 | |
| Dec 14, 2013 at 10:50 | vote | accept | Mustafa Said | ||
| Dec 15, 2013 at 11:29 | |||||
| Dec 14, 2013 at 10:49 | answer | added | Felix Goldberg | timeline score: 1 | |
| S Dec 14, 2013 at 10:38 | history | suggested | Felix Goldberg | CC BY-SA 3.0 |
changed the title to reflect the point of the question
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| Dec 14, 2013 at 10:34 | review | Suggested edits | |||
| S Dec 14, 2013 at 10:38 | |||||
| Dec 14, 2013 at 3:01 | comment | added | Mustafa Said | What if the graph is a directed graph? | |
| Dec 14, 2013 at 3:00 | comment | added | hbm | The adjacency matrix $A$ of any undirected graph is symmetric. Therefore, $A = A^{T}$ and $AA^{T} = A^{T}A$ i.e A is normal. | |
| Dec 14, 2013 at 2:42 | history | asked | Mustafa Said | CC BY-SA 3.0 |