ye nvm that's too high to be radiowave. I suppose I did it wrong

@SillyGoose there's only one thing worse than QFT

Rigorous QFT

is q²/T a possible new username for you? (joke) @fqq :P

By the way, I've always wondered what "fqq" stands for

So are we considering complex transformations too?!

Infinitesimally, $D_n$ generates $\theta\mapsto\theta+\mathrm{e}^{in\theta}$

@Mr.Feynman hi. complex valued diffeomorphisms do not make sense on a circle, so theyre probably only using these as a basis for real diffeomorphisms

one can take linear combinations of these generators to get the $\sin n\theta$ and $\cos n\theta$ generators, which then only form a basis of real diffeomorphisms

Oh, like the usual Fourier basis

this is an example of a basis of an infinite dimensional lie algebra. i wonder if one cud also use the delta functions here

or maybe the Hermite polynomials for diffeomorphisms on the real line

really pretty how math ideas assemble

@RyderRude why would you?

idk. theyre probably too pathological for lie algebras

imagine $\delta (x-x_0)\frac{d}{dx}$ lol

do u think big physicists visualise like Oppenheimer does in the Oppenheimer movie

Einstein used to do these visualisations apparently

Happy Star Wars Day! May the Fourth be with you!

Star Wars has some dark scenes like children getting murdered in Revenge of the Sith

@PM2Ring May the Fourth be with you

Yeah. I haven't seen the prequels, etc. I've only seen the original trilogy.

whoa

how could u resist when prequels came out @PM2Ring

did u hate episode 6

I really enjoyed the first Star Wars movie when it was released. But I didn't like the direction that the series took. I thought the whole midichlorians thing was stupid. So I lost interest.

@PM2Ring oh

Of course, being a science fiction fan, I've picked up most of the story & various details about the Star Wars universe over the years. But I have no great desire to watch any more of the movies or TV series.

@PM2Ring yeah.. the scene wasnt gory at all

@PM2Ring oh

@PM2Ring have u tried the new Dune movies?

u will love Dune Part 2

OTOH, I'm a fan of Natalie Portman, and I'm tempted to see her Star Wars work...

@RyderRude Not yet.

@PM2Ring she is badass in the second prequel

@PM2Ring please see it. especially part 2

I saw the David Lynch Dune back in the 1980s. It was mostly ok, but it did have some annoying stuff, like the severely mutated navigators, and it didn't really cover the full story.

@PM2Ring i have not seen that version. the new Dune is about how a prophecy slowly consumes a person.

it's one of the best movies ever

Although Dune focuses on important individuals, it's about the interplay between those individuals and the long-term fate and destiny of humanity as a whole.

Asimov explored those themes in his Foundation series.

I guess it was a pretty major theme in the mid 20th century, with people like Hitler & Stalin. They were products of their time, but their thoughts and feelings had huge repercussions on the lives and deaths of millions.

the movies havent yet shown the bad things done by Paul. pls dont spoil :)

On a more positive note, we also had popular musicians and actors having a big influence on culture. Eg, The Beatles were just 4 young blokes from Liverpool. They weren't musical prodigies, but they had a huge permanent impact on popular music.

yeah.. lots of people got inspired by them. they also did some peace music in the latter half of their career

i guess they werent standouts initially but later became standouts

it's hard to create music

it requires some sense of it. like having a sense of math, let's say

@RyderRude Oh, The Beatles were a huge sensation from the days of their earliest recordings. They had been performing for a few years by then, though, in England and Germany.

If you like sci-fi epics you may enjoy the novel Neverness by David Zindell en.wikipedia.org/wiki/Neverness

yes. they were a sensation since the beginning

@PM2Ring sounds really cool. i think that summary spoiled it

@PM2Ring today i had an idea about a sci-fi story. it is inspired by Veritasium's video recent on spacetime highways

It spoiled it a tiny bit, but there's so much going on in Neverness, and that the summary is a little bit misleading.

oh

i will check it out. thanks