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Forum: Other Mathematical Topics 2021-04-13, 12:54
Replies: 3
Views: 453
Posted By Nick
Women in Numbers Europe 4 Event: 29 August - 2...

Women in Numbers Europe 4
Event: 29 August - 2 September 2022 (note year)
Place: Utrecht (Netherlands)
Applicaation deadline: 21 June 2021
Details: https://women-in-numbers-europe-4.sites.uu.nl/...
Forum: Number Theory Discussion Group 2021-04-13, 09:58
Replies: 7
Views: 94
Posted By Nick
That is inconsistent counting.

That is inconsistent counting.
Forum: jwaltos 2021-04-12, 09:12
Replies: 6
Views: 194
Posted By Nick
His observation is a neat trick but regarding -1...

His observation is a neat trick but regarding -1 as a prime number just like the others would destroy the uniqueness of prime factorization.
In group-theoretic terms -1 is an involution (so long...
Forum: jwaltos 2021-04-11, 07:33
Replies: 6
Views: 194
Posted By Nick
The prime numbers are precisely the orders of the...

The prime numbers are precisely the orders of the simple abelian groups.
So integer factorization tells us what is and is not possible when it comes to commuting symmetries.
Forum: Science & Technology 2021-04-10, 17:40
Replies: 41
Views: 10,476
Posted By Nick
Yes, you're getting the volcanic ash - but not...

Yes, you're getting the volcanic ash - but not the pyroclastic flows!
Forum: Science & Technology 2021-04-09, 15:51
Replies: 41
Views: 10,476
Posted By Nick
La Soufrière on St. Vincent is erupting. The...

La Soufrière on St. Vincent is erupting.
The website of the local monitoring agency is apparently overloaded.
Their Twitter communications are here:
https://twitter.com/uwiseismic
Forum: Lounge 2021-04-09, 15:08
Replies: 1,703
RIP
Views: 148,834
Posted By Nick
Message from the King: "His lively personality...

Message from the King: "His lively personality never ceased to leave an unforgettable impression"....
Forum: PrimeNet 2021-04-04, 07:59
Replies: 11
Views: 364
Posted By Nick
Yes, indeed, people often get it wrong. In...

Yes, indeed, people often get it wrong. In mathematics, this problem is captured by defining left-handed and right-handed bases for real vector spaces of any finite dimension.
Forum: Prime Gap Searches 2021-04-02, 18:34
Replies: 18
Views: 521
Posted By Nick
Sounds good! We have a cardiologist in the...

Sounds good! We have a cardiologist in the family so occasionally get a layman's update on developments.
Forum: Prime Gap Searches 2021-04-02, 17:14
Replies: 18
Views: 521
Posted By Nick
What's your PhD thesis about?

What's your PhD thesis about?
Forum: Science & Technology 2021-04-01, 18:10
Replies: 189
Views: 9,152
Posted By Nick
Good to hear! :smile:

Good to hear! :smile:
Forum: Soap Box 2021-03-29, 15:25
Replies: 24
Views: 1,852
Posted By Nick
They had to shift about 30 000 cubic metres of...

They had to shift about 30 000 cubic metres of sand, and finally pulled the ship clear with 11 tugs and 2 sea-tugs.
After its inspection the ship will finish its journey to Rotterdam.
Forum: LaurV 2021-03-29, 12:04
Replies: 14
Views: 326
Posted By Nick
In French, it's the subject of a Christmas carol:...

In French, it's the subject of a Christmas carol:
Quelle est cette odeur agréable (https://en.wikipedia.org/wiki/Quelle_est_cette_odeur_agr%C3%A9able%3F)
Forum: Languages -- Ancient & Modern, Human & Machine 2021-03-27, 22:30
Replies: 34
Views: 2,362
Posted By Nick
From a report by an American for the BBC on US...

From a report by an American for the BBC on US president Biden's first press conference:

"Biden's performance was ... akin to a cautious walk across a not-quite-frozen lake.
Every step was...
Forum: LaurV 2021-03-27, 09:40
Replies: 14
Views: 326
Posted By Nick
Perhaps you could use it in scientific trials. ...

Perhaps you could use it in scientific trials.
"We sprayed these 10 wives with Perfume Zero and those 10 with (insert brand name here)."
Forum: Lounge 2021-03-25, 17:16
Replies: 5
Views: 300
Posted By Nick
It's horrendously inaccurate. The play/film...

It's horrendously inaccurate.
The play/film Breaking the Code (https://en.wikipedia.org/wiki/Breaking_the_Code_(film)) was much better!
Forum: Reading 2021-03-23, 15:02
Replies: 20
Views: 3,636
Posted By Nick
The Big Bus safety briefing...

The Big Bus safety briefing (https://www.youtube.com/watch?v=5PCVHtukS7Y)
Forum: Miscellaneous Math 2021-03-19, 19:10
Replies: 58
Views: 1,375
Posted By Nick
I think you will find that c is never prime.

I think you will find that c is never prime.
Forum: Lounge 2021-03-19, 12:36
Replies: 107
Views: 5,059
Posted By Nick
Nothing. My objection is to the type of...

Nothing. My objection is to the type of hyperlink that I quoted, directing everyone to use one particular corporation.
Forum: Lounge 2021-03-19, 08:05
Replies: 107
Views: 5,059
Posted By Nick
It's time we had a search URL that uses the...

It's time we had a search URL that uses the client's preferred search engine!
Forum: Lounge 2021-03-17, 22:56
Replies: 984
Views: 78,751
Posted By Nick
Congratulations! :smile:

Congratulations! :smile:
Forum: Lounge 2021-03-17, 10:02
Replies: 4,268
Views: 318,205
Posted By Nick
SMS text messaging was not designed as a secure...

SMS text messaging was not designed as a secure channel, or even an instant one (it's store & forward).
The opening-up of the global telecom market to competition was not really accompanied with...
Forum: Information & Answers 2021-03-16, 13:24
Replies: 43
Views: 3,021
Posted By Nick
No. Working modulo n, for any integer a, the...

No.

Working modulo n, for any integer a, the values a⁰, a¹, ..., aⁿ cannot all be different.
So you can always replace your d with a higher value.
Forum: Miscellaneous Math 2021-03-15, 17:08
Replies: 5
Views: 208
Posted By Nick
Take a simple example e.g. p=7. All the...

Take a simple example e.g. p=7.
All the non-zero integers modulo 7 are powers of 3, and 2=3² (mod 7)
so only the even powers of 3 can be written as a power of 2.
Forum: Other Mathematical Topics 2021-03-10, 22:15
Replies: 3
Views: 453
Posted By Nick
Young Researchers in Algebraic Number Theory...

Young Researchers in Algebraic Number Theory (Y-RANT)

Event: 18-20 August 2021
Place: online
Registration deadline: 18 June 2021 (UTC)
No fee as it is online this time
Details will appear...
Showing results 1 to 25 of 1000

 
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