/sci/ - Science & Math » Thread #11628677

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Anonymous Sat 02 May 16:05:18 2020 No.11628677 View Reply Original Report

Quoted By: >>11628717 >>11628791 >>11628835 >>11628839 >>11628846 >>11628929

>Relativity is built on a commutative smooth manifold
>Quantum mechanics is built on a non-commutative Hilbert space
Oof, yikes. Rectify this right now, /sci/

Anonymous

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Anonymous Sat 02 May 2020 16:20:00 No.11628717 Report

Quoted By: >>11628725 >>11628742

>>11628677

Anonymous

Anonymous Sat 02 May 2020 16:22:13 No.11628725 Report

Quoted By:

>>11628717
Oof, yikes, no sweaty, string theory makes no testable predictions and is irrelevant, we need to unpack this

Anonymous

Anonymous Sat 02 May 2020 16:26:18 No.11628742 Report

Quoted By: >>11628784

>>11628717
this

also learn QFT pls

Anonymous

Anonymous Sat 02 May 2020 16:38:43 No.11628784 Report

Quoted By:

>>11628742
>QFT
>combining QM with GR
OOF, yikes, no sweaty, that doesn't work, why would you lie, we need to unpack this

Anonymous

Anonymous Sat 02 May 2020 16:41:54 No.11628791 Report

Quoted By: >>11628831

>>11628677
Both can't be true at the same time. It is obvious that relativity is wrong.

Anonymous

Anonymous Sat 02 May 2020 16:55:49 No.11628831 Report

Quoted By:

>>11628791
This is what I predict. QM is clearly true.
The theory of everything is either going to be fundamentally para-consistent, or undecidable.

Anonymous

Anonymous Sat 02 May 2020 16:56:51 No.11628835 Report

Quoted By:

>>11628677
What exactly do you think one needs to rectify here?
Consider some small function space on R, then you already got a Hilbert space & a manifold.

Anonymous

Anonymous Sat 02 May 2020 16:57:59 No.11628839 Report

Quoted By: >>11628947

>>11628677
>commutative
>non-commutative
what did he mean by this ?

Anonymous

Anonymous Sat 02 May 2020 16:59:11 No.11628846 Report

Quoted By: >>11628947

>>11628677
>commutative smooth manifold
This is genuinely how the physicist's mind operates.

Anonymous

Anonymous Sat 02 May 2020 17:19:56 No.11628929 Report

Quoted By:

>>11628677
What is the spin-statistics theorem?

Anonymous

Anonymous Sat 02 May 2020 17:24:42 No.11628947 Report

Quoted By:

>>11628839
>>11628846
he clearly means that the trace-class operators in the Hilbert space are not generally commuting, while the maps M->R are.
In any case, the Gelfand–Naimark theorem and all that maps out this territory well enough, the thread is ill-guided from the start.

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