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Topic: x + y + z >= xyz implies x^2 + y^2 + z^2 >= Axyz
Replies: 20   Last Post: Nov 1, 2013 4:48 AM

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 fom Posts: 1,968 Registered: 12/4/12
Re: x + y + z >= xyz implies x^2 + y^2 + z^2 >= Axyz
Posted: Oct 27, 2013 11:00 AM

On 10/27/2013 9:50 AM, Peter Percival wrote:
> christian.bau wrote:
>> On Saturday, October 26, 2013 1:41:54 AM UTC+1, Peter Percival wrote:
>>

>>> A = sqrt 3.
>>
>> Proof?

>
> Are you trying to embarrass me? :-).
>
> I asked a computer program to find satisfying x, y, z for various values
> of A. The program was only allowed to run for a short time. For A a
> little greater that sqrt 3 it ran out of time, for A a little less than
> sqrt 3 it found x, y, z.
>
> It gets worse: neither the computer nor the program are mine, they
> belong to Stephen Wolfram.
>

Hmm...

I hear echoes of Herman Rubin....

Hey. I met Kenneth Appel and took a course
with Wolfgang Haken. If they could do it,
why shouldn't anyone else?

:-)

Date Subject Author
10/25/13 quasi
10/25/13 David C. Ullrich
10/25/13 quasi
10/26/13 Karl-Olav Nyberg
10/26/13 quasi
10/26/13 Peter Percival
10/25/13 David C. Ullrich
10/25/13 Don Coppersmith
10/25/13 Don Coppersmith
10/25/13 gnasher729
10/25/13 Peter Percival
10/27/13 gnasher729
10/27/13 dan.ms.chaos@gmail.com
10/27/13 Peter Percival
10/27/13 fom
10/30/13 quasi
10/30/13 Peter Percival
10/30/13 quasi
10/31/13 quasi
10/31/13 quasi
11/1/13 Phil Carmody