Timeline for What recent discoveries have amateur mathematicians made?
Current License: CC BY-SA 4.0
16 events
| when toggle format | what | by | license | comment | |
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| Feb 3, 2019 at 10:19 | history | edited | Glorfindel | CC BY-SA 4.0 |
broken image fixed (click 'rendered output' to see the difference; images retrieved via Wayback Machine); for more info, see https://meta.mathoverflow.net/a/4058/70594
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| Apr 13, 2017 at 12:58 | history | edited | CommunityBot |
replaced http://mathoverflow.net/ with https://mathoverflow.net/
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| Apr 9, 2014 at 18:10 | history | edited | S. Carnahan♦ | CC BY-SA 3.0 |
Historical accuracy
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| Dec 7, 2013 at 12:22 | review | Suggested edits | |||
| Dec 7, 2013 at 13:47 | |||||
| S Nov 21, 2013 at 8:39 | history | edited | Daniel Moskovich | CC BY-SA 3.0 |
OMIT PHONY DRAWING
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| S Nov 21, 2013 at 8:39 | history | suggested | CommunityBot | CC BY-SA 3.0 |
OMIT PHONY DRAWING
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| Nov 21, 2013 at 8:34 | review | Suggested edits | |||
| Nov 21, 2013 at 8:39 | |||||
| Oct 28, 2013 at 15:36 | review | Suggested edits | |||
| Oct 28, 2013 at 15:50 | |||||
| Oct 27, 2013 at 14:05 | comment | added | Carlo Beenakker | (part 3): Contrary to misinformation appearing elsewhere on Mathoverflow, I am not now, nor have I ever been, a Ph.D. --Ken Perko | |
| Oct 27, 2013 at 13:57 | review | Suggested edits | |||
| Oct 27, 2013 at 14:06 | |||||
| Oct 15, 2013 at 13:16 | comment | added | S. Carnahan♦ | (part 2) Also, your second drawing is wrong. It's actually the mirror image of Rolfsen's 10-163, which some overly fastidious knot tabulators have re-named 10-162, adding a dose of confusion to an already difficult subject. --Ken Perko, October 12, 2013) | |
| Oct 15, 2013 at 13:15 | comment | added | S. Carnahan♦ | We have the following suggested edit (part 1): (The "rope" story is pure myth. In 1973, while I was completing the classification of 10 crossing knots, the duplication turned up quite naturally as the only undistinguishable pair. So I sketched some knot diagrams on a yellow legal pad and found out why. Sorry to disappoint, but Moskovich got it right. I was taking graduate math courses my last two years as a Princeton undergraduate, taught by the world's top knot theory topologists. | |
| Oct 12, 2013 at 19:06 | review | Suggested edits | |||
| Oct 12, 2013 at 19:13 | |||||
| Dec 31, 2010 at 18:34 | comment | added | Daniel Moskovich | Unfortunately that's not completely accurate- the history isn't really that interesting. Perko was a student of Ralph Fox at Princeton. He left math without getting his PhD (although his 1964 senior thesis was quite important), and became a lawyer. 10 years later, in his free time, he messed around with math and did some research. He has 6 papers listed on MathSciNet, all very important, and all post-1974. He could have been a complete amateur to discover the Perko pair- but he wasn't. | |
| Nov 8, 2010 at 1:37 | history | edited | Joseph O'Rourke | CC BY-SA 2.5 |
As per request.
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| Nov 8, 2010 at 1:31 | history | answered | BioGeek | CC BY-SA 2.5 |