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From: Thomas Heger <ttt_heg@web.de>
Newsgroups: sci.physics.relativity
Subject: Re: Relativistic aberration
Date: Sat, 10 Aug 2024 10:17:52 +0200
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Am Freitag000009, 09.08.2024 um 10:56 schrieb Python:
> Le 09/08/2024 à 07:35, Thomas Heger a écrit :
>> Am Donnerstag000008, 08.08.2024 um 13:17 schrieb Python:
>>> Le 08/08/2024 à 09:05, Thomas Heger a écrit :
>>> ...
>>>> Actually Poincare did and assumed a four dimensional 'curved' 
>>>> spacetime, from which Euclid's three-dimensional space is a 
>>>> 'sub-chapter'.
>>>
>>> This is not true.
>>>
>>>> This euclidean space is kind of projection into the realm of the 
>>>> local observer, who 'cuts' spacetime into time and space, simply by 
>>>> being somewhere.
>>>
>>> This is not true.
>>>
>>>> This is a very different concept than the usual mainstream 
>>>> interpretation and actually different to the interpretation of 
>>>> Einstein in his 1905 paper, too.
>>>
>>> This is not true.
>>>
>>>> Poincare's idea was further developed by Hermann Minkowski.
>>>
>>> This is true.
>>>
>>>> So Poincare's relativity is different to Einstein's, which was 
>>>> mainly based on Hendrik Lorentz and his 'Lorentz transform'.
>>>
>>> This is not true.
>>>
>>>> But Poincare regarded this concept of Lorentz as wrong
>>>
>>> This is not true.
>>>
>>>> (even if he invented the name 'Lorentz transform').
>>>
>>> This is true.
>>>
>>
>> Would mind telling a little about your reasons to think so?
>>
>> You just say:
>>
>> this is true and that ain't.
>>
>> But why do you think so?
> 
> Because I've actually read Poincaré, Einstein, et al.
> 
I don't speak French good enough to read Poincare, even if I have tried.

Poincare was a mathematician and wrote extremely difficult papers about 
obscure mathematical problems.

Those were way over my head and also not interesting enough for me.

But I have tried 'Sur le dynamic d'electron' (something similar in French)..

The reason was, that Einstein seemingly quoted it, even if it was 
printed a few days after Einstein's paper was handed in to 'Annalen der 
Physik'.

So I had assumed, that Einstein had lied about this date (together with 
Planck).

TH