Timeline for About the Hadamard conjecture
Current License: CC BY-SA 4.0
10 events
| when toggle format | what | by | license | comment | |
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| S Jun 11 at 6:01 | history | suggested | user369335 |
The tag "Hadamard product" is misleading.
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| Jun 11 at 0:15 | review | Suggested edits | |||
| S Jun 11 at 6:01 | |||||
| Aug 24, 2022 at 9:01 | history | edited | Loïc Teyssier | CC BY-SA 4.0 |
Added wikipedia link
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| Aug 24, 2022 at 8:49 | answer | added | Maarten Havinga | timeline score: 5 | |
| Sep 25, 2020 at 16:47 | comment | added | KfirKrak | The article states that using both Sylvester's and Paley's constructions, one cannot get Hadamard matrix of size 92 (As the first example of numbers divisible by 4 of course). Is that correct? why is that? If I can use primes like 2,3,5 I can also use 23. Can I construct those matrices without using any primes, and only starting with 1? @DenisSerre | |
| Sep 25, 2020 at 14:22 | comment | added | bof | That Wikipedia page also says "The order of a Hadamard matrix must be 1, 2, or a multiple of 4. " So the smallest size that can't be created is not $23$ but $3$. | |
| Sep 25, 2020 at 14:17 | comment | added | Denis Serre | Isn't it because only sizes divisible by $4$ should be considered ? | |
| Sep 25, 2020 at 14:17 | history | edited | Denis Serre | CC BY-SA 4.0 |
added 7 characters in body; edited title
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| Sep 25, 2020 at 14:10 | review | First posts | |||
| Sep 25, 2020 at 14:37 | |||||
| Sep 25, 2020 at 14:07 | history | asked | KfirKrak | CC BY-SA 4.0 |