>revolutionizes physics using integrals over a function space that mathematicians can't even begin to make sense of >does away with unexpected infinities by forcing them to be finite >destroys mathematicians with banter, deeming all their theorems that violate physical intuition to be trivial >gets laid more often than the entire field of mathematics and doesn't let women interfere with his passions (RIP Galois).
Well it took them a while to do so, and at the time Feynman didn't care that some autist hadn't figured out a measure for his path function space and trudged fearlessly onward.
William Rodriguez
QFT is bullshit.
Carter Hall
Please do elaborate, brainlet
Leo Hernandez
Feynman liked math a lot though. He talks about how much he loved his first calculus book that he got from a library as a child in some interview or another.
Jason Torres
I thought I was in love with Schrödinger QM, but then Feynman showed me what love was.
Jeremiah Jones
Of course he liked math. He was a theoretical physicist.
Colton Turner
Not OP but I've read it's still not clearly defined. Been a while since I've messed around with path integrals.
Elijah Hall
It is not defined in general, because a definition requires defining a measure on a function space. But not all theories are taken over the same function space. So defining the measure depends on what the specific theory is.
In the case of a simply theory like [math]S\left[ \varphi \right] = {\int\limits_0^t {\operatorname{d} s\left\| {\frac{{\operatorname{d} \varphi }}{{\operatorname{d} s}}} \right\|} ^2}[/math] , the function space is just [math]{C^0}\left( {\left[ {0,t} \right],M} \right)[/math] and the path integral measure is just a wiener measure.
Thomas Myers
Thanks that makes sense. I don't know know much about wiener processes or Brownian Motion in general, never had the chance to study it in earnest in college but it's on my list.
Nolan Bell
The fact that it can intuitively explain something already seemingly intuitive enough as the least action principle was nuts. Mind was blown.
Kayden Smith
underrated
Benjamin Wood
Sauce plox.
Austin Hernandez
Nevermind, it's just Piper's fucking thesis again.
Ryder Thompson
explain pic. what is the bottom set of equations?
Owen Green
He's a theoretical physicist. He's able to bully everyone because all their fields only exist because of his, including math.
Jose Hill
In the bottom photos are a couple important equations from Feynman's Path Integral Formulation of Quantum Mechanics.
S is the action, which is defined based on the Lagrangian from classical mechanics.
The above integral defines the state vector (in the position basis) as an integral over some function of the action. The idea being that no longer is it just the classical path (the extremum) that contributes to the state, but instead ALL paths contribute equally, so you are integrating over all possible paths.
Usually there will be an h term in that exponential so that equation must be in natural units (I took it from Wikipedia).
If you don't know the top equation then you have no business being on this board.
Brayden Bell
Hey bigot
Parker Ross
Wrong.
Kevin Rogers
>wiener >brownian Faggots
Julian Rivera
The virgin Schrödinger vs the chad Feynman
Logan Green
She did a talk at a conference I attended over the summer. Not "psycho" in real life. But she is an idiot. The whole "all white males should quit their jobs" was a ploy for attention.
She believes mathematics should cater to her when it's her who should be catering to mathematics. But, since she's a "victim", she will probably get a tenure track position quickly despite having barely any publications.
Jayden Jones
>browses Veeky Forums >doesn't even know basic statistics
Adam Morgan
>But, since she's a "victim", she will probably get a tenure track position FUN FACT: How familiar are you with the adjunct hiring and retention process as it relates to spousal hires? [i.e. She's there for life!]
Jason Cooper
>W-well it ...uh... t-took them a ... a while >t-to do so, a-and at the t-time Feynman >d-didn't c-care, so there backpedal much?
Nicholas Hill
Is Nippon meme man the Feynman of our time?
Hudson Gutierrez
>functional integration somewhat spectacular, not nonsensical >infinity Wiiiiilllllllsonnnnnn!!!!!!!! >talks down to mathematicians for not being scientists Most physicists do this to some extent
It's really not.
>weiner measure kek
Jason Bennett
literally what is the point of this?
Gabriel Nelson
Uhm, sweaty? Misogynistic much?
Jose Turner
what the fuck is this image
Chase Robinson
Doctors who never learned how to integrate
Justin Bennett
you're not actually telling me this was published, are you? I know the medical field is full of brainlets, but I would think they've at least taken a calculus class
Noah White
>he doesn't know about the revolutionary Tai's method of measuring the area under the glucose curve There's all those new ideas coming from the medical and biological fields nowadays. It's going to revolutionize mathematics!
Jonathan Garcia
>yfw Ginzburg-Landau theory of superconductivity sparked an entirely new field of mathematics uniting Hodge structures with Higgs bundles on Frobenius manifolds arxiv.org/abs/0807.2199 There's literally no point in studying math now.
Luis Ward
Doesn't Nonabelian Hodge Theory already do that?
Benjamin Jackson
I mean... if it works right?
Zachary Ward
No, you need variations of Hodge structures which arise from the study of asymptotic singularities of solutions in Ginzburg-Landau theories.
Benjamin Cook
well since we're on this,
how about Dirac?
eg, his bra-ket notation kind of mindfucked the mathematicians of his time as well.
Jeremiah Reyes
>his bra-ket notation kind of mindfucked the mathematicians of his time as well
I find this very hard to believe. He found a clever way to notate vectors, dual vectors, inner and outer products. It's cool notation, but it doesn't reveal anything that isn't already well understood. It sure helps get brainlet physicists up to speed on their linear algebra though.
James Lee
No one knew what a the dirac delta function was until the late 40s.
Julian Butler
Ah yes, the Dirac Delta """Function"""
That is a good example along the lines of the OP. Super important for quantum mechanics.
Isaac Richardson
>No one knew what a the dirac delta function was until the late 40s. Including Dirac. He simply posited what would be required, and mathematicians came up with the solution, as always. Physicists are brainlets.