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Sergiu Klainerman

Sergiu Klainerman

Mathematician

Nov 3, 2026

30:48
Mm-hmm
30:48
... results from other paper.
30:49
We want to have-- Essentially, you can read the whole paper from beginning to the end.
30:53
It's completely self-contained.
30:55
So that's one thing.
30:55
And also, we, we try to put all the calculations.
30:59
I mean, again, many papers, people don't really put the calculations, right.
32:06
Right.
15:18
And that's the process of proving something, right? So you have the process of discovery, but then the process of justification.
15:26
The process of justification.
15:28
So mathematics, at the end of the day, it looks like a chain of logical sequences that the computer can also, I mean, once you have the chain, the computer can go very fast to it and maybe even check.
15:41
So there are yet no computers that can check large, I mean, they can check small proofs, but not large.
15:49
In any case, it's sort of a very good example, I think, that illustrates very well relations between math and physics.
15:56
Take geometry.
15:57
So the geometry was the first really theory of the physical world, right? I mean, it's what it describes.

22 MINS LATER

37:47
And then lo and behold, it's absolutely crucial for doing quantum mechanics, which is our most fundamental physical theory, or one of them.

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