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@Telekinetic18

Geometric control theory @uwaterloo

Pseudo Riemannian 4-manifold Katılım Aralık 2021
120 Takip Edilen453 Takipçiler
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∫aiden
∫aiden@Telekinetic18·
Differential geometry is probably the highest leverage skill to have right now
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∫aiden
∫aiden@Telekinetic18·
@lu_sichu Can't always theory your way out of an engineering problem
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Sichu Lu
Sichu Lu@lu_sichu·
@Telekinetic18 i hear people say this a lot actually. and it's probably why i haven't gotten very interested in the area
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alon turing
alon turing@chaumian·
why cant AI solve an open problem outside of the counting industry
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Simmy
Simmy@Simmy16242170·
lets just shoot a random question: anyone know applications of category theory to differential geometry?
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∫aiden
∫aiden@Telekinetic18·
@t0tientqu0tient I think it's a maker space. Id imagine uw has better equipment than whatever they have
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TotientQuotient
TotientQuotient@t0tientqu0tient·
Just found this place with an interesting name outside Allen station. Do any UW students go there?
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Dean Turner
Dean Turner@DeanTTraining·
Probably just gonna keep posting this every few days until everyone on the internet knows about it… (If you don’t already have one, you need to purchase a Ninja Creami Deluxe ASAP) Oreo Blizzard High Protein Ice Cream Recipe: - 240ml Fairlife Skim Milk - 240ml Almond Milk Unsweetened Vanilla - 51g True Nutrition Cookies N Cream Egg White Protein - 30g Oreos Cookies N Creme Instant Pudding Mix - 4 Oreo Thins - 2g Xanthan Gum 540 calories / 50g protein
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The American Cityzen@CityzenAmerica

@DeanTTraining Recipe?

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∫aiden
∫aiden@Telekinetic18·
@geogristle It was never about the theorems and always about the definitions
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∫aiden@Telekinetic18·
@geogristle I find it really exciting that humans will be liberated of this highly technical low impact theorem proving work. Instead mathematical work will be theory building like grothendiek or hermann.
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Geogristle
Geogristle@geogristle·
This is so funny because it directly contradicts Tao's "when a problem is posed everyone tries their repertoire of techniques on it, then if it doesn't crack we set it aside and wait till someone comes up with a new technique, at which point we try that trick on many old problems before putting them in the backlog again" claim (paraphrased) from a video a while back that was meant to rob you of human spirit and make you believe the best mathematicians just see right through what it takes to discover or prove something; that only young people have a productive place in mathematics and the real rewards are off-limits to anyone but IMO tryhards. No call to action, it's just good to see he can admit that the corrosive perspective he spread back then is not absolutely true
Ananyo Bhattacharya@Ananyo

23 years old with no advanced mathematics training solves Erdős problem with ChatGPT Pro. "What’s beginning to emerge is that the problem was maybe easier than expected, and it was like there was some kind of mental block.”-Terence Tao scientificamerican.com/article/amateu…

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Cleobug101
Cleobug101@cleobug101·
i’ve actually been noticing this like A LOT. many of my high earning single friends would tell me they were dating a younger man who worked a lower-paying job. they would pick up the tab for him, let him move into their apartment, and drive him around in their car. things of that nature. in essence it was like nature had reversed itself. the women are becoming the masculine providers and men are going to extreme lengths to looksmaxx to make themselves more desirable to women. this is a reflection of it. what is going on?
Lisa Britton@LisaBritton

This is actually true. Lately, many of my girlfriends (mid to late thirties) have been telling me that they are getting approached by early-twenties men, very confidently I would add. What’s going on?

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∫aiden@Telekinetic18·
@alejandro_estay @anisomorphism They also don't know the difference between linear and non linear systems... I've had someone tell me a quadcopter is linear
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Alejandro Estay
Alejandro Estay@alejandro_estay·
@anisomorphism Most engineers cannot distinguish a discrete control system from a continuous control system. From there onwards, everything is wrong.
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Nick
Nick@anisomorphism·
Engineers that don't know their ass from a vector space aren't going to invent the Levi-Civita connection or discover Riemann curvature. They aren't David Hilbert or Einstein, the philosophy you need for this is from a culture that wouldn't exist.
autism hexafluoride@servomechanica

@Anton81191831 Imagine being the guy whose job was to debug "the systemic clock drift issue" and slowly realizing you were discovering novel physics

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∫aiden
∫aiden@Telekinetic18·
@anisomorphism @ArjAndInCharj I'll say one more thing; the field has been largely stagnant since the early 2000s and 90s. I suspect the issue is precisely because practitioners don't know non-linear analysis from the later half of the 20th century.
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Nick
Nick@anisomorphism·
@Telekinetic18 @ArjAndInCharj I considered saying more to this person but he seems to have nothing constructive, his replies to other people are similarly sad.
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∫aiden@Telekinetic18·
@ahmedallibhoy I certainly wouldn't say that geometric control is the mainstream concensus. Many of my colleagues resist.
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Ahmed
Ahmed@ahmedallibhoy·
Control theory is an interesting example of an engineering discipline where many practitioners are familiar with exactly these concepts. See e.g. the table of contents of this textbook written by my grand advisor
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Nick@anisomorphism

Engineers that don't know their ass from a vector space aren't going to invent the Levi-Civita connection or discover Riemann curvature. They aren't David Hilbert or Einstein, the philosophy you need for this is from a culture that wouldn't exist.

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∫aiden
∫aiden@Telekinetic18·
@ArjAndInCharj @anisomorphism I work in this field. This is no where near the general consensus. Ask any control theorist about the algo-geometric foundation of linear control and they'll have no idea what you're talking about. How many control theorist have read bullo-lewis in full? I suspect less than 50.
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QuietlyDisruptive
QuietlyDisruptive@ArjAndInCharj·
@anisomorphism Differential geometry forms the basis for modern nonlinear control engineering. This is not obscure. And yet here you are. Kindly recall that spending a day in the library saves us from such pseudointellectual slop as yours. You would do well to exercise the privilege.
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∫aiden
∫aiden@Telekinetic18·
@anisomorphism Maybe the strat is to piss off humanities and engineering lol
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∫aiden
∫aiden@Telekinetic18·
@anisomorphism Meanwhile I've been on the same 15 pages of algebraic topology for 2 weeks :)
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∫aiden
∫aiden@Telekinetic18·
@anisomorphism Sounds about right, my fiancee can read a large novel (400-600 pages) in less than a week if she's not occupied with work or school. In fact, including her course readings + personal readings it's already around 500 pages.
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Geogristle
Geogristle@geogristle·
if they dont start chunking & lazy loading & offloading chunks of chatgpt web/mobile & codex(app) convos to get them off RAM im going to have an aneurysm. i bought the macbook with max memory and it's still too heavy. also fix mathjax on mobile @OpenAI @OpenAIDevs @thsottiaux
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