Riemann Hypothesis ...

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MartinQ

Guru
I love this site. Come for the bike chat, stay for the number theory.

Couple of "simple" ones I came across recently ...
* Numbers which appear in both the triangular number and square number sequences can be found "easily" by looking at the continued fraction approximation to sqrt(2).
* The well known pythagoras ratios 3:4:5, 5:12:13, 7:24:25, ... have circles that lie inside them of radius 1, 2, 3, ... respectively.
 

mjr

Comfy armchair to one person & a plank to the next
I went back to looking at the maths, inspired by this thread. But I found I had drunk more bourbon than was probably wise
Not a problem with statistics. In fact, one of the key tests of normality is to squint a bit at the graph, then if it doesn't look normal, drink some vodka and repeat. The number of shots consumed is the degree of normality. This is the Kolmogorov Smirnoff test. ;)
 

marinyork

Resting in suspended Animation
Location
Logopolis
Going slightly further off topic, the interesting thing about Fermat's theorem is that Fermat claimed to have found a simple proof, but the modern proof is anything but.

Wiles wrote the modern statement of the B S-D conjecture.

These are relatively short works. A famous proof in group theory after more than a century of cumulative work which was believed at the time to he the pinacle was 1200 pages. Shortly after it was finished it was discovered that something had been missed out of the other proofs :laugh:. The entire proof is so long that there isn't agreement about how many thousands of pages it is.
 

C R

Guru
Location
Worcester
Wiles wrote the modern statement of the B S-D conjecture.

These are relatively short works. A famous proof in group theory after more than a century of cumulative work which was believed at the time to he the pinacle was 1200 pages. Shortly after it was finished it was discovered that something had been missed out of the other proofs :laugh:. The entire proof is so long that there isn't agreement about how many thousands of pages it is.
Fermat's book must have some big margins! :ohmy:
 

Profpointy

Legendary Member
Interesting fact: If you prove the Reimann hypothesis, you stand to win loads of dosh. But if you disprove it, by providing a single counter example, you get nothing.

That's why I'm keeping my disproof of it to myself.

I thought you'd get the prize for disproving it too. And if it's false your proof could be a single number
 

C R

Guru
Location
Worcester
Don't think complex numbers are allowed. Only real integers please.
I thought the conjecture was that all non trivial zeroes of the zeta function were of the form xi+0.5, in which case finding a zero outside of that line would disprove the conjecture. Is that not the case?
 
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MartinQ

Guru
I thought the conjecture was that all non trivial zeroes of the zeta function were of the form xi+0.5, in which case finding a zero outside of that line would disprove the conjecture. Is that not the case?

Sounds about right, I was talking about Fermat's problem statement, rather than the solution / conjecture which is part of the solution, no matter how interesting it is.
But I didn't mean for you to think about it too much :-)

Reminds me of one of the Saturday evening BBC programs Atlantis ~5 years ago with Pythagoras, Hercules & Jason. On one of the episodes they were lost and were looking at various different paths back home. I think it was Pythagoras who said "those routes (roots) look a bit complex to me". Would be nice to think it was one of those in jokes, but it may just be me ...
 
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C R

Guru
Location
Worcester
Yes. A counter example of the Reimann Hypothesis would be a complex number (hence my "joke" ;) )

A counter example to Fermat's Last Theorem (not sure how we got onto that) would have to be a real integer, but we know there aren't any, as proved by Andrew Wiles.
Yep, I thought your post refered to Riemann's hypothesis, not to Fermat's.
 
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MartinQ

Guru
Like Morecambe and Wise, "I understand most of the words, though not necessarily in that order" ... Be interested to see what other people think (who actually know what they're talking about).
 
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