What are the most outlandish notations you have ever encountered Veeky Forums?
>take your Standard Model Lagrangian outta here
Hieroglyphs
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If you don't understand this you might be retarded
Mechanical Notation, Charle's Babbage's crazy way of drawing machines. We still don't understand it.
>Moon Runes : The Thread
no
>inb4 Shinichi Mochizuki
lol I wanna see the latex script for that, son
Yours is ridiculous
I only have 1 big diagram in my thesis
I looks like a pre-computer form of VPL
to this day we don't have verilog for mechanical systems, cause gears and shit actually have to go places.
Looks like a wiring diagram or function block code, cool.
Penrose Tensor Notation
What exactly is it, user?
Gentzen's way of writing proofs
This is actually just a (big) commutative diagram, like when you write [math]A \overset{f}{\longrightarrow} B[/math] to say f is a map from A to B.
Actually Frege, not Gentzen
Another use of that notation in some John Baez book about higher dimensional algebra
Ehat the heck is that
>wagon wheels
what the actual fuck
?
OP said outlandish, not difficult.
those sums look like they're about to murder their entire clan
Frege made everything unnecessarily difficult
aaaaaaaaaa
[math]i^{2}[/math]
No idea what it means.
>there are brainlets ITT right now that don't understand graphical calculus
Are you serious?
is that like where you look for the max or min
not necessarily notation but it looks cool
>tfw your branch of mathematics is closer to transplantational surgery than to calculus
hairer.org/notes/Regularity.pdf
I'm a mathematician but I bow before the might and complexity of biochemical pathways.
Diagrammatic algebra. Diagrammatic algebra everywhere.
i just find it incredible that string diagrams and graphical calculus exist, much less actually work and be useful for stuff like QFT
what is the name of that theorem that guarantees the existence of these diagrams
this is some black magic shit
If someone knows this, please tell me. I found a pdf about it in 2013 but at the time couldn't understand it, and I cant find anything about it now.
可愛い
These 6j symbols are what's more generally referred to as fusion matrices for a conformal field theory. Let [math](\mathscr{V},\{V_i\}_i)[/math] be a simple modular category with simple objects [math]V_i[/math] and some fixed set of fusion rules, then there exists a covariant functor [math]F:\text{Rib}_\mathscr{V} \rightarrow \mathscr{V}[/math] from the ribbon category based on [math]\mathscr{V}[/math] to [math]\mathscr{V}[/math] called the operator invariant. This functor allows you to cast fusion rules in the form of ribbon graphs as well as express some results regarding the dimensions and traces of objects in [math]\mathscr{V}[/math] as knot invariants. This allows you to prove fusion relations such as the pentagon/hexagon relations, Verlinde-Seiberg formula and Vafa's theorem with braids and knots. In addition if [math]\mathscr{V}[/math] is unitary metaplectic then these fusion matrices form a [math]\mathbb{C}[/math]-vector space called the space of conformal blocks. In this case the 6j-symbols are basically instructions for fusing the simple objects of [math]\mathscr{V}[/math] as Hilbert spaces and you can consider it as relations between knots or ribbon graphs WLOG. For instance, the fusion matrix [math] F_{pq}\left[\begin{bmatrix} i & j \\ k & l\end{bmatrix}\right] [/math] can be considered as a consistency condition between fusing objects [math]i,j,k[/math] by fusing [math]i,j[/math] first into [math]p[/math] and then fusing [math]p,k[/math] into [math]l[/math] or first fusing [math]j,k[/math] into [math]q[/math] then fusing [math]i,q[/math] into [math]l[/math].
i want this in not shit res
>tfw trancended formal proofs and now pictures are the new numbers
This is almost like proof via interpretive dancing.
I've seen it so many times but I still don't know how it works.
Nice.
you could also just flip the head over right
why are there so many theoretical physics touhouposters on Veeky Forums
There's only one.
> Game theory
> Being so autistic that you need trigonometry to simulate a negotiation process