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A Portal Special Presentation- Geometric Unity: A First Look: Difference between revisions

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''[https://youtu.be/Z7rd04KzLcg?t=8283 02:18:03]''<br>
''[https://youtu.be/Z7rd04KzLcg?t=8283 02:18:03]''<br>
Now there's a huge problem in the spinorial sector, which I don't know why more people don't worry about, which is that spinors aren't defined for representations of the double cover of \(GL(4, \mathbb{R})\), the general linear group's effective spin analog. And as such, if we imagine that we will one day quantize gravity, we will lose our definition, not of the electrons but, let's say, of the medium in which the electrons operate. That is, there will be no spinorial bundle until we have an observation of a metric. So, one thing we can do is to take a manifold \(X^d\) as the starting point and see if we can create an entire universe from no other data—not even with a metric. So, since we don't choose a metric, what we instead do is to work over the space of all possible point-wise metrics. So not quite in the Feynman sense, but in the sense that we will work over a bundle that is of a quite larger, quite a bit larger dimension.
Now there's a huge problem in the spinorial sector, which I don't know why more people don't worry about, which is that spinors aren't defined for representations of the double cover of \(\text{GL}(4, \mathbb{R})\), the general linear group's effective spin analog. And as such, if we imagine that we will one day quantize gravity, we will lose our definition, not of the electrons but, let's say, of the medium in which the electrons operate. That is, there will be no spinorial bundle until we have an observation of a metric. So, one thing we can do is to take a manifold \(X^d\) as the starting point and see if we can create an entire universe from no other data—not even with a metric. So, since we don't choose a metric, what we instead do is to work over the space of all possible point-wise metrics. So not quite in the Feynman sense, but in the sense that we will work over a bundle that is of a quite larger, quite a bit larger dimension.


''[https://youtu.be/Z7rd04KzLcg?t=8349 02:19:09]''<br>
''[https://youtu.be/Z7rd04KzLcg?t=8349 02:19:09]''<br>
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''[https://youtu.be/Z7rd04KzLcg?t=9826 02:43:46]''<br>
''[https://youtu.be/Z7rd04KzLcg?t=9826 02:43:46]''<br>
Marcus du Sautoy, Peter Thiel, Isadore Singer, Raoul Bott, Michael Grossberg, Adil Abdulali, Harry and Sophie Rubin, Bret Weinstein and family, Heather Heying, and Zach and Toby, Peter Freyd, Scott Axlerod, Nima Arkani Hamed, Luis Alvarez Gaume, Edward Frankel, Dror Bar Natan, Shlomo Sternberg, David Kazhdan, Daniel Barcay, Karen and Les Weinstein, Haynes Miller, Ralph Gomory, John Tate, Sidney Coleman, Graeme Segal, Robert Hermann, and Hira and Esther Malaney.
Marcus du Sautoy, Peter Thiel, Isadore Singer, Raoul Bott, Michael Grossberg, Adil Abdulali, Harry and Sophie Rubin, Bret Weinstein and family, Heather Heying, and Zach and Toby, Peter Freyd, Scott Axlerod, Nima Arkani-Hamed, Luis Alvarez Gaume, Edward Frankel, Dror Bar-Natan, Shlomo Sternberg, David Kazhdan, Daniel Barcay, Karen and Les Weinstein, Haynes Miller, Ralph Gomory, John Tate, Sidney Coleman, Graeme Segal, Robert Hermann, and Hira and Esther Malaney.


''[https://youtu.be/Z7rd04KzLcg?t=9859 02:44:19]''<br>
''[https://youtu.be/Z7rd04KzLcg?t=9859 02:44:19]''<br>