Four-Polytopes and a Funeral (For My Conjecture)

Рет қаралды 34,564

10 жыл бұрын

By Nina Amenta and Tamara Munzner.
A 5-minute technical video, describing a recent construction in
four-dimensional geometry in the relaxed, casual way a mathematician
would talk to a friend over coffee. Instead of sketching things on
napkins, we use animated projections from 4D to show what's going on.
Included in the 1995 Computational Geometry Symposium Video Proceedings.

Пікірлер: 65

@itsv9914 11 ай бұрын

Eating spicy food while trying to understand this makes me dissociate

@troncrash7912 Жыл бұрын

Two transdimentional gods invite you for a coffee and start talking about.... something

@1traphouse 10 ай бұрын

“Righttttt?”

@zenko... 10 ай бұрын

Literally

@sharonedigitale 5 ай бұрын

Perfect.

@mystifoxtech 4 ай бұрын

Oh hey a fellow furry I had a hard time keeping my composure during the knot theory video for ummm reasons. You might understand why.

@s0upbot 10 ай бұрын

I dont know why these videos are doing wonders for my anxiety but damn-it's working fr fr

@ryguy-qh2qk 8 ай бұрын

Because you are thinking about other things rather than the things that cause you to feel said anxiety

@bebopcowboy14 7 ай бұрын

damn same bro

@DeithwenAddanynCarnaepMorvudd Жыл бұрын

Other person's script: "Oh...? Yeah? Okaaaaay... Uh huh......? And what?"

@sharonedigitale 5 ай бұрын

I’ve never enjoyed something going over my head so much since How to Turn a Sphere Inside Out. It makes me cry laughing. I feel like I’m on acid. The joy of the universe. Where you least expect it. MORE PLEASE…IN MORE DIMENSIONS.💫 And from the same decade if possible.❤

@laceyrainbolt5432 2 ай бұрын

this is really neat! i’d never really thought about irregular shapes in d > 3, and this is a great example of why it’s important not to neglect them. learning a lot from these old videos, thanks!!

@robbyseager9536 10 жыл бұрын

Real cool. Only understood some aspects of this but loved the educational presentation

@lindafromfinance9203 Жыл бұрын

PREACH TAMARA

@Handles-R-Lame Жыл бұрын

The only thing I understood in this presentation was *_"zigzag."_*

@f4zepacino650 Жыл бұрын

those are the same dudes who made "how to turn a sphere outside in"

@kennethbeal Жыл бұрын

"Forty two", rearranged: "Tea for two." DNA *was* British, after all! (Douglas Noel Adams, Hitchhiker's, pretty sure that's the reference at the end :) ). Ha, neat. There are (before this one) 13 comments. In base 13, the letter tiles "question" in his book gives the correct answer, "What is six times nine?" 54 in base 10; 42 in base 13. :) :) In Joshua 10:13, the sun stood still. Reflecting is fun. :)

@literallyafishhook 10 ай бұрын

obsessed with this comment tbh

@kennethbeal 9 ай бұрын

@@literallyafishhook Thank you for returning my attention to this channel! Was working through the videos, and got distracted. So much to know! :)

@TheRealZeaga 10 жыл бұрын

Right?

@weirdo_onYT 9 ай бұрын

lol I get it :)

@weirdo_onYT 9 ай бұрын

Welcome to 2023 man. :)

@tomagee420 Жыл бұрын

riight?

@rising5948 3 жыл бұрын

if you insist!

@marayno1 11 ай бұрын

I get it now

@Zambicus Жыл бұрын

Fill those pink holes

@shybound7571 6 жыл бұрын

@borntoclimb7116 Жыл бұрын

Very interesting

@memorymix8884 7 ай бұрын

Clearly the answer is 35.

@NotCCP Жыл бұрын

Wow

@Waferdicing 8 ай бұрын

❤❤❤❤❤

@drewolfshire5558 8 жыл бұрын

@jaytea2140 Жыл бұрын

Huh?

@karimitickaeloogreattemlor3486 Жыл бұрын

Amogus

@user-nm4jj6rp4h Жыл бұрын

hmmm

@poomcbrain5936 Жыл бұрын

sus thumbnail

@somenameforuser1791 Жыл бұрын

i hate you

@askeleton8228 Жыл бұрын

YOU GOT TO BE KIDDING ME

@Twotwentytwobuns Жыл бұрын

I think geometry has something to do with solving our issues as a species because of the last video I watched on the shape of space this is what we exist in what do I do with this image 😀

@mknomad5 Жыл бұрын

I knew it! 😆

@timtam3730 11 ай бұрын

Anyone want a delicious cookie? 🍪

@mateenahmed1283 11 ай бұрын

Wonder what the algorithm is doing... most comments right in 2023. Was buried dead for like 9 years ?

@happybaby7839 Жыл бұрын

42 like the answer to the universe!!!

@Apersonl0l Жыл бұрын

Among us

@spacecatmowgli4723 Жыл бұрын

I love this guesswork without proof or sufficient evidence!!!!!

@laceyrainbolt5432 2 ай бұрын

it’s a proof by counterexample, which is sufficient to prove that the statement she made in the beginning of the video (the 2d projection of a 4-polytope can’t have more than O(f) vertices) is not true for every 4-polytope. that’s all she’s saying. this video is literally the proof, idk what else you want

@flippery-flop 2 ай бұрын

thank you Standford i turned autist

@dxrvst007 2 ай бұрын

haha

@TTV_UNIFIED_8 Жыл бұрын

(🌀🐒| TIME(2023)CAPSULE |🍄🌀)

@weirdo_onYT 9 ай бұрын

Yooo I’m in!

@TTV_UNIFIED_8 9 ай бұрын

HYPE HYPE !@@weirdo_onYT

@gappmoe 8 ай бұрын

Hello, World!

@ianbarber2937 Жыл бұрын

Our intelligence is a curse

@spacecatmowgli4723 Жыл бұрын

"intelligence"

@xorgbeep 10 ай бұрын

that ending was lame. Interesting video though.

@artem34901 Жыл бұрын

Is this one of these obscure nonsense channels?

@asterinycht5438 Жыл бұрын

It is obscure 4d geometry that only lizardman take the class.

@lelduck6388 Жыл бұрын

This is real math. Obscure complicated math that’s definitely for lizard people, but real nonetheless.

@word6344 Жыл бұрын

@@lelduck6388wait till we get to complex math

@sylv512 Жыл бұрын

sus thumbnail

@laceyrainbolt5432 2 ай бұрын

it isn’t nonsense at all, but it’s a topic that is so niche only a few people care about it. the video uses terms that might sound like jargon to someone who doesn’t think about these things as a career, because they’re not terms anyone else would ever need to know. if you’re interested in abstract geometry, it’s actually a really neat little proof.