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Search: Posts Made By: jnml
Forum: Miscellaneous Math 2020-09-04, 07:05
Replies: 1
Views: 346
Posted By jnml
False, true or well known?

Given prime [$]p[/$] and [$]M_p = 2^p-1[/$]:

If [$]M_p-3[/$] is not a quadratic residue modulo [$]M_p[/$] then [$]M_p[/$] is composite.

Alternative, stronger version:

[$]M_p[/$] is prime iff...
Forum: Miscellaneous Math 2020-08-16, 13:35
Replies: 9
Views: 305
Posted By jnml
It's fine if you prefer to keep the PDF to just...

It's fine if you prefer to keep the PDF to just yourself.

It's fine if you prefer to sell it for money.

It's bad to "publish" it for free - but at a site that requires registration and or...
Forum: Miscellaneous Math 2020-07-22, 08:11
Replies: 57
Views: 4,624
Posted By jnml
I see his posts as direct and honest. But more...

I see his posts as direct and honest. But more importantly, informed. Even when they're coming with no sugar coating

I object to threatening him with a life-long ban for that.
Forum: Miscellaneous Math 2020-06-23, 13:53
Replies: 59
Views: 2,189
Posted By jnml
This is what happens when you invent a notation...

This is what happens when you invent a notation but you keep its meaning to yourself.

Please explain and define the notation you're using. Don't let people guess the meaning.

For example , all...
Forum: Miscellaneous Math 2020-06-23, 12:20
Replies: 59
Views: 2,189
Posted By jnml
Yes I did. As your notation was not defined at...

Yes I did. As your notation was not defined at all, I can only guess if I have inferred it right.

Let's test that: Is post #1 (https://www.mersenneforum.org/showpost.php?p=548302&postcount=1)...
Forum: Miscellaneous Math 2020-06-18, 08:41
Replies: 59
Views: 2,189
Posted By jnml
Pardon my ignorance, but I have no idea what, new...

Pardon my ignorance, but I have no idea what, new or not, theory you're talking about. I
see here only a (over)simplified and vague/insufficient definition of division.

But the division by zero...
Forum: Miscellaneous Math 2020-05-02, 12:37
Replies: 6
Views: 411
Posted By jnml
I don't think the function in #1...

I don't think the function in #1 (https://www.mersenneforum.org/showpost.php?p=544439&postcount=1) qualifies as a Lissajous curve (https://en.wikipedia.org/wiki/Lissajous_curve).
The reason I see is...
Forum: Miscellaneous Math 2020-05-02, 10:25
Replies: 6
Views: 411
Posted By jnml
14 to 17 and that's all.

14 to 17 and that's all.
Forum: Miscellaneous Math 2020-05-02, 10:23
Replies: 6
Views: 411
Posted By jnml
10 to 13

10 to 13
Forum: Miscellaneous Math 2020-05-02, 10:22
Replies: 6
Views: 411
Posted By jnml
6 to 9

6 to 9
Forum: Miscellaneous Math 2020-05-02, 10:20
Replies: 6
Views: 411
Posted By jnml
Divisibility function

[$]\forall N \ne 0,\ x \in [1,\ N]: \ sin \, x \pi +\imath \, sin \frac{N \pi}{x} = 0 \leftrightarrow x|N.
[/$]

I'm not aware of any practical value, but I like the pictures, produced in Maxima...
Forum: Forum Feedback 2020-01-31, 09:38
Replies: 3
Views: 2,565
Posted By jnml
Also, there's no obligation to _use_ the account....

Also, there's no obligation to _use_ the account. It can sleep and wait if you may happen to
need it any time in the future.
Forum: Alberico Lepore 2019-12-02, 05:51
Replies: 2
Views: 1,034
Posted By jnml
1. Remove your name from the title of every...

1. Remove your name from the title of every "paper" you write.

2. Do not use your name in the title of your posts.

3. Let people view/download the submission it directly, without requiring any...
Forum: Forum Feedback 2019-07-26, 18:58
Replies: 12
Views: 2,477
Posted By jnml
OK, so the "timeout" is about 7 years. ...

OK, so the "timeout" is about 7 years.

Joking aside, setting user's personal preferences without consent is rather unexpected,
diplomatically said. Whoever can fix the issue, please make it not...
Forum: Forum Feedback 2019-07-26, 04:58
Replies: 12
Views: 2,477
Posted By jnml
Avatar

Who and why gave me this unsolicited, childish avatar? I hope it's some kind of a mistake/glitch.

Otherwise I don't see it funny when admins abuse their powers.
Forum: Miscellaneous Math 2019-07-26, 04:54
Replies: 2
Views: 408
Posted By jnml
https://play.golang.org/p/BDTAZ9e2Sy5

https://play.golang.org/p/BDTAZ9e2Sy5
Forum: Alberico Lepore 2019-05-24, 09:23
Replies: 47
Views: 4,729
Posted By jnml
Any program that reads some input number n is at...

Any program that reads some input number n is at least O(log n).
Forum: Miscellaneous Math 2019-05-02, 19:28
Replies: 247
Views: 10,418
Posted By jnml
So why don't you show some math instead of hand...

So why don't you show some math instead of hand waving?
Forum: Miscellaneous Math 2019-05-02, 18:59
Replies: 247
Views: 10,418
Posted By jnml
You have not brought any idea here. Only the...

You have not brought any idea here. Only the claims that you're a genius and that you're sure about primality of exponents that are actually composite so far.

Bring the ideas, share the formula.
Forum: Miscellaneous Math 2019-05-02, 09:05
Replies: 247
Views: 10,418
Posted By jnml
A lot of human and computing resource has been...

A lot of human and computing resource has been used on check your claims. Not sharing
the formula makes that improbable to happen again.
Forum: Miscellaneous Math 2019-04-30, 21:50
Replies: 247
Views: 10,418
Posted By jnml
Whatever makes you happy. Nonetheless, I...

Whatever makes you happy.

Nonetheless, I think most geniuses are smart enough to figure out that bragging about
themselves being genius is not much of a smart idea.
Forum: Forum Feedback 2019-04-27, 18:34
Replies: 126
Views: 8,726
Posted By jnml
Feelings are IMO overrated. There's no right to...

Feelings are IMO overrated. There's no right to be offended by anything one chooses.

Also: If reading letters on a monitor _really_ hurts someone - maybe she should not read them
in the first...
Forum: enzocreti 2019-04-27, 11:10
Replies: 55
Views: 2,098
Posted By jnml
It's not a "certified prime". It's obviously not...

It's not a "certified prime". It's obviously not a prime number either.

Edit: Retracting, bad reading on my side.
Forum: Miscellaneous Math 2019-04-26, 09:22
Replies: 10
Views: 358
Posted By jnml
Constraints on k in 2kp+1

If n \in \mathbb{N} divides a Mersenne number M_p, prime p, then n can be written as 2kp+1, \: k \in \mathbb{N}.

IIUC, it can be shown that k \: \ne \: 2 \: (\bmod \: 4). Additionally I think I've...
Forum: Miscellaneous Math 2019-04-21, 15:33
Replies: 10
Views: 417
Posted By jnml
Thanks! This confirmation is very useful for me. ...

Thanks! This confirmation is very useful for me.



I'm glad because I do even understand the issue in this case :smile:
Showing results 1 to 25 of 164

 
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