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Post Ay96lbslRLOWVyTw0W by [email protected] |
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More posts by [email protected] |
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Post #Ay5eQVEba433coxt5c by [email protected] |
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I want to talk about some serious math and physics without alienating my more c… |
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Post #Ay5h2DIUv2R4uFtZ7A by [email protected] |
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@johncarlosbaez quick question about a formulation that reads ambiguous to me, … |
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Post #Ay5h2DQIS2frIRXnGq by [email protected] |
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@Quantensalat - fixed. |
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Post #Ay5iILnrA7jvsFp0Vc by [email protected] |
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@johncarlosbaez Seeing that SU(3) (and having a peek at (4.1) in the paper) mak… |
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Post #Ay5il1YlVQ7nUKR3po by [email protected] |
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@johncarlosbaez BTW this post is displayed nicely on Tusky, Phanpy, Elk and van… |
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Post #Ay5jdbmb2rtzTAvtD6 by [email protected] |
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@victor_tokarev - I didn't use any LaTeX in this post! How about this:\[ … |
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Post #Ay5juQHT3xjaifOFzk by [email protected] |
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@johncarlosbaez BTW, here's the BorelβSiebenthal paper that is referenced… |
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Post #Ay5juQOucHgn5ksCbA by [email protected] |
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@johncarlosbaez Aha, looking at the table on page 219 I see they've done th… |
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Post #Ay5juQUaHCE5NLWjRI by [email protected] |
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@highergeometer - how many maximal subgroups of Fβ do you (or they) get from … |
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Post #Ay5k7vuOmZCqZn2fNg by [email protected] |
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@johncarlosbaez three. The other one doesn't contain a copy of SU(3) |
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Post #Ay5kD4PwZfOCPiFLhQ by [email protected] |
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@johncarlosbaez well, only Phanpy renders math |
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Post #Ay5kXS1AXQcPOuNPZQ by [email protected] |
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@johncarlosbaez The closest I've ever come to this back in the day was orb… |
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Post #Ay5kXS7u8O0RjnWn4K by [email protected] |
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@Quantensalat - I don't know anyone using Fβ Γ Fβ. I'm talking a… |
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Post #Ay5kbfWOH3fsRJzWyG by [email protected] |
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@victor_tokarev - good to know. What sort of people use Phanpy? I've neve… |
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Post #Ay5kdXYsq6asKe39xg by [email protected] |
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@highergeometer - can you whisper in my ear what the third one is? |
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Post #Ay5l7rnQAlHlm9JJdA by [email protected] |
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@johncarlosbaez @victor_tokarev Displays perfectly for me! (I have a built-in L… |
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Post #Ay5m6VskGNfdTUiewq by [email protected] |
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@johncarlosbaez I used it for a while. It is a good client for mastodon (now I … |
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Post #Ay5nHehXugKVy1MFbk by [email protected] |
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@johncarlosbaez it's in the paper you originally linked! SU(2)xSp(6) |
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Post #Ay5yn2WAVrvAJ0ChXM by [email protected] |
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@johncarlosbaez @victor_tokarev I use Phanpy and think it's great. That mat… |
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Post #Ay5zpGBclRWREPDWM4 by [email protected] |
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@jdchristensen @victor_tokarev - so you can be "on" Mathstodon yet &q… |
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Post #Ay62qgBjsK0y1idgnI by [email protected] |
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@highergeometer - okay, thanks. I haven't read that whole paper, obviously… |
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Post #Ay63jJ5pRcmcKCvIJc by [email protected] |
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@johncarlosbaez it's alternative web client for Mastodon, with features lik… |
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Post #Ay66OcQmeQK058YFOa by [email protected] |
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@johncarlosbaez "...matrices built from a 1x1 block and a 2x2 block."… |
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Post #Ay6DKvJTCnfNAFJcTA by [email protected] |
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@thebluewizard - Right. But pick one or the other, it doesn't matter, we d… |
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Post #Ay6Xi0BLGdBs0anOam by [email protected] |
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One of the co-authors, Ivan Todorov (1933β2025), was a prominent Bulgarian ma… |
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Post #Ay6ZgdtArmp0UEmFyS by [email protected] |
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@vnikolov - I didn't know he'd passed away! π’ He was one of my th… |
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Post #Ay6Zr2gjWB7MIQuvdA by [email protected] |
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β€οΈ@johncarlosbaez |
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Post #Ay6gY3Ywk4nbBYAXLs by [email protected] |
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I don't know how much it will help, but I think I see how this works algebr… |
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Post #Ay6k5iFgmSZAnetxcu by [email protected] |
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@johncarlosbaez @highergeometer Indeed, Besse's book on Einstein manifolds … |
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Post #Ay6oKc76Hks3vEFGFM by [email protected] |
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@johncarlosbaez @victor_tokarev For what it's worth, there's also a &qu… |
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Post #Ay6p3RCVhnQp6l9K08 by [email protected] |
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@pschwahn wrote: "When you say the answer is "sort of known", wh… |
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Post #Ay6rtB1FJUdLt7gBBg by [email protected] |
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@johncarlosbaez If this generalization of the Standard Model were accurate to r… |
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Post #Ay6rxAKxn6AWvnnuiG by [email protected] |
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@johncarlosbaez you may well be asleep, but did you have slides online for this… |
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Post #Ay6uhc4jC2VEBlUAc4 by [email protected] |
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@zwol - there's no physics theory here yet, just a mathematical way of look… |
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Post #Ay6zTWM6A7GmAKi5ke by [email protected] |
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@johncarlosbaez Thanks for the clarification. I was a bit puzzled about how can… |
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Post #Ay7077f7OGCZAFURjk by [email protected] |
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@thebluewizard - great! It's perfectly legitimate to multiply an octonion … |
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Post #Ay7olsUNhhzNgd5xNw by [email protected] |
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@johncarlosbaez Ah, was it this talk?https://mathstodon.xyz/@johncarlosbaez/115… |
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Post #Ay7olsbTHLf02cPcR6 by [email protected] |
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@highergeometer @pschwahn - I'm awake again. I have slides for two related… |
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Post #Ay7uFCZmbCim9dQKbw by [email protected] |
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@pschwahn wrote:"I see that Yokota lists (SU(3)ΓSU(3))/β€β as the subg… |
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Post #Ay88lpasSz9Zn4OADI by [email protected] |
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@johncarlosbaez @victor_tokarev In any browser, you can go to https://phanpy.so… |
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Post #Ay8G7AUydZneNzkZxg by [email protected] |
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@jdchristensen @victor_tokarev - when I go to that site it just sits there and … |
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Post #Ay8SL08DB5qfjkSqlk by [email protected] |
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@pschwahn @highergeometer - Building on what I said, one can show this: if we t… |
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Post #Ay8UMjYdy9e0p1mWga by [email protected] |
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@pschwahn @highergeometer - so now look at the exceptional Jordan algebra π₯οΏ½… |
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Post #Ay8ggQNSBrdmZnhfQu by [email protected] |
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@johncarlosbaez @highergeometer This description as an inner automorphism is ve… |
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Post #Ay8vid69MclVvB7SCG by [email protected] |
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@johncarlosbaez @pschwahn @highergeometer Checking out the arxiv webpage abstra… |
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Post #Ay96lbslRLOWVyTw0W by [email protected] |
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@johncarlosbaez @pschwahn @highergeometer I'm less familiar with π π’(3… |
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Post #AyA8BOXTxzpjlyLXEW by [email protected] |
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@johncarlosbaez @victor_tokarev That's odd. I use Chrome with two blockers,… |
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Post #AyCawa3y7mVa9mkXy4 by [email protected] |
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@pschwahn - sorry for taking a while to respond; I got distracted by those orde… |
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Post #AyCyi8xqThiYxPXC0e by [email protected] |
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@johncarlosbaez Can't wait to see what you find out! |
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Post #AyCykxNO1DXHt0p2ye by [email protected] |
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@pschwahn - just a plan, but it's got to work. |
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Post #AyDwj3tWo5Num0mjYG by [email protected] |
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@pschwahn - Okay, here's my dream. I'll state it in its simplest form… |
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Post #AyDxKl0lSkmHDD90mu by [email protected] |
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@thebluewizard - yes, Yokota's book should not have been posted to "g… |
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Post #AyDzAK8KjtTGrdpyca by [email protected] |
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@Garrett - Hi! It took me a while to bump into your reply, and I had to read i… |
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Post #AyE3XcgcKF2oslErGC by [email protected] |
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@johncarlosbaez I can only guess the so(9) bivectors is somehow the tensor squa… |
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Post #AyE41BQMFaAv18jFtw by [email protected] |
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@highergeometer @Garrett @pschwahn - I understand most of Garrett's notatio… |
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Post #AyE4KUzrhgoXDtY0vo by [email protected] |
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@johncarlosbaez Interesting! I would thought the book does belong in geometric … |
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Post #AyE4ViVRog2AJ6fY9I by [email protected] |
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@johncarlosbaez ah, ok, thanks for interpreting.@Garrett @pschwahn |
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Post #AyEDRqioEESKDT9Kme by [email protected] |
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@thebluewizard - The most central area of geometric topology is where you prove… |
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Post #AyF0IXc4nf4A6FBw36 by [email protected] |
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@johncarlosbaez @Garrett @highergeometer We need a way to translate between the… |
