Difference between revisions of "20: Sir Roger Penrose - Plotting the Twist of Einstein’s Legacy"

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https://en.wikipedia.org/wiki/Albert_Einstein
https://en.wikipedia.org/wiki/Albert_Einstein
Eric imputes that Dirac’s hair was not as good as Einstein’s.
Eric imputes that Dirac’s hair was not as good as Einstein’s.
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https://en.wikipedia.org/wiki/Quantum_mechanics
[https://en.wikipedia.org/wiki/Quantum_mechanics Quantum mechanics]
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https://upload.wikimedia.org/wikipedia/commons/thumb/e/e7/Hydrogen_Density_Plots.png/290px-Hydrogen_Density_Plots.png
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https://vignette.wikia.nocookie.net/optical-illusions/images/6/62/Note.gif/revision/latest?cb=20140413232620
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NB:Roger Penrose and Eric Weinstein are friends with the guy who does the commentary for the cage fighting. What a time to be alive.
[https://www.youtube.com/channel/UCzQUP1qoWDoEbmsQxvdjxgQ Joe Rogan Experience]
[https://www.youtube.com/channel/UCzQUP1qoWDoEbmsQxvdjxgQ Joe Rogan Experience]
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[https://en.wikipedia.org/wiki/Hopf_fibration Hopf Fibration]
The [https://en.wikipedia.org/wiki/Hopf_fibration Hopf Fibration] is the only non-trivial principal bundle that can be visually seen
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https://en.wikipedia.org/wiki/Hopf_fibration#/media/File:Hopf_Fibration.png
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principal bundle that can be visual
The “[https://en.wikipedia.org/wiki/Hopf_fibration Hopf fibration]”, or the “[https://en.wikipedia.org/wiki/Clifford_parallel Clifford Parallels]” was instrumental in the subject of Twistor Theory.
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There’s also this diagram, which I found at a blog here: http://arkadiusz-jadczyk.eu/blog/tag/penrose/
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http://arkadiusz-jadczyk.eu/blog/wp-content/uploads/2017/01/Penrose-Rindler-Clifford-parallels.jpg
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And there’s this diagram, which I found at this link ( http://users.ox.ac.uk/~tweb/00001/ ) which is an HTML presentation of “On the Origins of Twistor Theory” - Roger Penrose, 1987
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http://users.ox.ac.uk/~tweb/00001/robinson.jpg
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the second course was on quantum field
Dirac gave a course (2 courses) of lectures on Quantum Mechanics
 
Course 1 - Basic [https://en.wikipedia.org/wiki/Quantum_mechanics Quantum Mechanics]
 
Course 2 - [https://en.wikipedia.org/wiki/Quantum_field_theory Quantum Field Theory] but also Spinors
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theory but also spinners and there's an
In the second course (when Penrose took the course) Dirac deviated from his normal course of lectures to give two or three lectures on [https://en.wikipedia.org/wiki/Spinor#Component_spinors Two Component Spinors]. ([https://arxiv.org/abs/1312.3824 Spinors])
 
Denis recommended to Roger a book by Corson (presumably this one: [https://www.amazon.com/Introduction-Tensors-Spinors-Relativistic-Wave-Equations/dp/B0000CIMO7 Introduction to Tensors, Spinors, and Relativistic Wave-Equations], 1953 by [https://www.ias.edu/scholars/edward-michael-corson E.M. Corson] *
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Other people said that Dirac’s course was just like his book but Roger hadn’t read the book.
my work on algebraic geometry we changed
 
(I assume this one? Dirac - [https://www.amazon.com/Principles-Quantum-Mechanics-P-Dirac/dp/1607965607 Principles of Quantum Mechanics])
 
18:00 = WEIN - &quot;do you think Dirac understood (Spinors)?…
 
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Mention of Mathematicians:
 
* [https://en.wikipedia.org/wiki/Wilhelm_Killing Wilhelm Killing]
* “Lee”? - this Lee https://en.wikipedia.org/wiki/John_M._Lee was in Differential Geometry but was born in 1950. Maybe his father?
* [https://en.wikipedia.org/wiki/%C3%89lie_Cartan Élie Cartan]
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Sir Roger Penrose’s favourite film is [https://en.wikipedia.org/wiki/2001:_A_Space_Odyssey_(film) 2001: A Space Odyssey]
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