Life before Google:

You’d think of something, ask your friends, and they would be like β€œGosh, I don’t know” and then you’d be like β€œOh, well, guess that’s a thing I’ll never know” and then everyone just proceeds with their fucking day.

So \(n! \neq m^k\) for integers \(n, m, k > 1\) because by Bertrand's postulate there's a prime between \(\lceil n/2 \rceil\) and \(n\), right?

But invoking Bertrand's postulate seems like a big rock for this.

When you see \(\cong\mathbb{K}^{nm}\) and you immediately think "ok, there has to be a matrix somewhere"

(The natural lifting of \(\omega \in \Lambda^1(M)\) is \(\mathcal{L}_1\omega\), where \(1: TM \longrightarrow TM\) is the identity map.)

I spent a ridiculous amount of time trying to find the natural lifting of \(dz-x_1\,dy^1+\dots+x_n\,dy^n\)

Emojo Theatre proudly presents:

The Mathematicians

:euler: Sup! I wrote so much math that they had to stop naming things after me so the other mathematicians could get some shoutouts too.

:gauss: I revolutionised mathematics and was a pompous twit about telling others I already scooped them.

:germain: I had to pretend to be a dude so they'd let me in.

:fibonacci: I really like thinking about rabbit fornication, yo.

:pythagoras: I really hate beans. Love casual ocean murder, though.

Watch "A Different Way to Solve Quadratic Equations" on YouTube - A Different Way to Solve Quadratic Equations: youtu.be/ZBalWWHYFQc

You have to love how this paper basically forced the fα΅€ and fα΅₯ notation for partial derivatives just by saying

no, I cannot derivate on any given manifold

but you know what I can do? this

*deep fried df(βˆ‚u) and df(βˆ‚v)*

Oh boy the explanation of what the Thom-Boardman symbols are is rather complicated here. I think it's time to whip out my good ol' friend Gibson...

my notes are very sloppy in general lol you can tell they are /by/ me and /for/ me as I skip everything I remember from last year and carefully explain everything I didn't understand the first time I read it...

whatever gets into the final thesis is going to need a serious revision but I hope I can explain the concepts more clearly by then

I'm not totally into ᡣJᡏ(n,p) as notation because the ᡣ makes it hard to handwrite the symbol and the author of this book keeps getting the ᡣ everywhere else lol because of course latex assumes it's a subindex for whatever you wrote /before/, not /after/

non mathematicians: i hate math because i hate numbers

me, a mathematician: what the frick is a number

Another suggestion is g.co/kgs/fktbUb

This one seems to go deeper and (I assume) is more complete as a reference. It uses techniques from sheaf theory.

Source:
mathoverflow.net/questions/313

Going to make this into a thread in case someone else is interested. I found this book which seems to be an introduction to the subject written *for* a particular course. Also, CC BY-NC-SA (kudos to JiΕ™Γ­ Lebl!)

Do you know a book on several complex variables I can use for reference? Basically to check when the rules IRⁿ can be applied to Cⁿ (e.g. Hadamard's lemma apparently holds in Cⁿ)

The proofs being complicated is not a problem as I don't think I will read them; I've been told several complex variables is a tough branch of complex analysis.

I like #blackfriday . I get emails from newsletters I almost forgot to unsubscribe from

Show more
Mathstodon

A Mastodon instance for maths people. The kind of people who make \(\pi z^2 \times a\) jokes. Use \( and \) for inline LaTeX, and \[ and \] for display mode.