Timeline for Perfect Difference Set of order 7^2-7+1=43
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
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| Aug 6, 2018 at 14:12 | vote | accept | JKreft | ||
| Aug 3, 2018 at 13:48 | comment | added | Noam D. Elkies | more precisely, a finite projective plane with an automorphism that acts on the points by cyclic permutation. Since there's no projective plane of order 6, a fortiori there is none with a 43-cycle automorphism. | |
| Aug 3, 2018 at 9:46 | history | edited | JKreft | CC BY-SA 4.0 |
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| Aug 3, 2018 at 9:00 | history | answered | JKreft | CC BY-SA 4.0 |