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Search: Posts Made By: Nick
Forum: Languages -- Ancient & Modern, Human & Machine 2021-10-24, 08:05
Replies: 25
Views: 9,610
Posted By Nick
Certainly an interesting link! If you have...

Certainly an interesting link!
If you have university access to online journals, the Daniel Levin article is also worth reading:
https://www.jstor.org/stable/10.5325/steinbeckreview.12.2.0190
Forum: Number Theory Discussion Group 2021-10-24, 07:45
Replies: 2
Views: 163
Posted By Nick
Over any commutative ring R, the 2x2 matrices...

Over any commutative ring R, the 2x2 matrices with determinant 1 form a subgroup \(SL_2(R)\)
of the unit group of the ring of all 2x2 matrices.
The Pauli matrices have determinant -1, however.
...
Forum: Software 2021-10-23, 07:25
Replies: 22
Views: 613
Posted By Nick
You may also like this thread...

You may also like this thread (https://www.mersenneforum.org/showthread.php?p=533436)
Forum: Lounge 2021-10-22, 11:20
Replies: 18
Views: 1,265
Posted By Nick
The Amorphophallus decus-silvae in our Hortus...

The Amorphophallus decus-silvae in our Hortus Botanicus in Leiden is in bloom!
It is thought to be only the 3rd time that this has ever happened in Europe.
Dutch press release:...
Forum: Lounge 2021-10-22, 07:33
Replies: 1,788
RIP
Views: 184,768
Posted By Nick
Bernard Haitink...

Bernard Haitink (https://www.bbc.com/news/entertainment-arts-59002746),the world-famous Dutch conductor.
Forum: Lounge 2021-10-21, 16:34
Replies: 4,380
Views: 370,429
Posted By Nick
Queen Elizabeth cancels engagements on medical...

Queen Elizabeth cancels engagements on medical advice ... and Barbados moves swiftly to declard a Republic.
https://www.bbc.com/news/uk-58979992
...
Forum: Science & Technology 2021-10-20, 08:41
Replies: 514
Views: 87,388
Posted By Nick
Are there still people there who can check on...

Are there still people there who can check on your observatory for you? It must be very worrying.
Forum: Miscellaneous Math 2021-10-18, 14:23
Replies: 26
Views: 882
Posted By Nick
Yes, a typo - thanks!

Yes, a typo - thanks!
Forum: Miscellaneous Math 2021-10-18, 13:53
Replies: 26
Views: 882
Posted By Nick
If \(M_p=2^p-1\) is prime then, for all integers...

If \(M_p=2^p-1\) is prime then, for all integers n not divisible by \(M_p\), \(n^{2^p-2}\equiv 1\pmod{M_p}\) by Fermat's little theorem.
It is standard to use modulo arithmetic during the...
Forum: MattcAnderson 2021-10-18, 09:55
Replies: 24
Views: 639
Posted By Nick
The mathematical background is that you can...

The mathematical background is that you can construct the regular polygon with n sides using ruler and compass
if and only if ϕ(n) is a power of 2 (where ϕ is Euler's function).
And that is true...
Forum: Lounge 2021-10-18, 07:36
Replies: 1,127
Views: 99,421
Posted By Nick
We followed their attempt 6 years ago, too! ...

We followed their attempt 6 years ago, too!
https://www.mersenneforum.org/showpost.php?p=412743&postcount=193
Forum: Languages -- Ancient & Modern, Human & Machine 2021-10-14, 22:09
Replies: 25
Views: 9,610
Posted By Nick
To get the best possible understanding, you have...

To get the best possible understanding, you have to study the original languages and the culture of the people who spoke them, of course.
The big problem with a translation into any modern...
Forum: Soap Box 2021-10-14, 19:46
Replies: 405
Views: 57,355
Posted By Nick
Presumably because you read it earlier in this...

Presumably because you read it earlier in this thread!
https://www.mersenneforum.org/showpost.php?p=579470&postcount=368
Forum: Homework Help 2021-10-14, 08:37
Replies: 14
Views: 934
Posted By Nick
Have you read the Lenstra book on this? ...

Have you read the Lenstra book on this?
https://link.springer.com/book/10.1007/BFb0091534
Forum: Languages -- Ancient & Modern, Human & Machine 2021-10-13, 15:33
Replies: 25
Views: 9,610
Posted By Nick
After many years of work, the new Dutch...

After many years of work, the new Dutch translation of the Bible is out today
https://bijbel.nbv21.nl/ (Dutch only)
Forum: Lounge 2021-10-11, 20:00
Replies: 251
Views: 32,751
Posted By Nick
Columbus on his column (1888): 25915

Columbus on his column (1888):
25915
Forum: Lounge 2021-10-10, 09:40
Replies: 1,788
RIP
Views: 184,768
Posted By Nick
Frits Veerman...

Frits Veerman (https://en.wikipedia.org/wiki/Frits_Veerman) died earlier this year, too.
Forum: Puzzles 2021-10-08, 21:06
Replies: 43
Views: 1,824
Posted By Nick
Here is Main Street in Luxembourgish: 25892 ...

Here is Main Street in Luxembourgish:
25892
(Yes, it's a compound noun, but still looks good!)
Forum: MattcAnderson 2021-10-07, 20:55
Replies: 3
Views: 228
Posted By Nick
The 'e' and 'o' on the bottom line need to be the...

The 'e' and 'o' on the bottom line need to be the other way around, I think!
(odd+odd=even)
Forum: Soap Box 2021-10-07, 14:12
Replies: 354
Views: 51,313
Posted By Nick
Don't forget our Caribbean islands!

Don't forget our Caribbean islands!
Forum: Soap Box 2021-10-07, 07:57
Replies: 354
Views: 51,313
Posted By Nick
The boss of Intel says the US chipmaker is no...

The boss of Intel says the US chipmaker is no longer considering building a factory in the UK because of Brexit.
https://www.bbc.com/news/business-58820599
Forum: Science & Technology 2021-10-06, 22:10
Replies: 2,943
Views: 262,003
Posted By Nick
Historic go-ahead for malaria vaccine in Africa...

Historic go-ahead for malaria vaccine in Africa (https://www.bbc.com/news/health-58810551)

RIght now, this is one of the most read articles on the BBC news website.
Apparently, however, even more...
Forum: Lounge 2021-10-03, 11:42
Replies: 1,051
Views: 84,250
Posted By Nick
Have you heard the excruciating attempt at it...

Have you heard the excruciating attempt at it from a school orchestra in Sweden?
https://youtu.be/5umEUBDXfU0
Forum: chalsall 2021-10-03, 08:42
Replies: 22
Views: 954
Posted By Nick
Is it worth trying a different window manager,...

Is it worth trying a different window manager, perhaps?
Forum: Miscellaneous Math 2021-09-30, 19:37
Replies: 13
Views: 743
Posted By Nick
For that formula, you need n to be prime not just...

For that formula, you need n to be prime not just semi-prime (or I have misunderstood what you mean!)
Showing results 1 to 25 of 1000

 
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