Peter Barfuss

44 Followers
29 Following
119 Posts
@bofh453 from twitter
<@bofh453 > speaking feline is hard
Ylm is a treacherous orb.

@drewcassidy hey they're just the musical isomorphisms. the flat operator defines an isomorphism from the tangent bundle of a (pseudo-)Riemannian manifold to its cotangent bundle, and the flat operator the inverse isomorphism (from the cotangent bundle to the tangent bundle).

like it's perfectly reasonable notation.

@spun_off @dx oh hi yeah i'm in Paris for the next few weeks btw. would be happy to hang out, also curious where you'd want to show us around.
I got a sudden flashback to this time during my undergrad when I was sitting in the pure math club office doing my analysis homework and someone played "Let R Be A Ring" for two hours on loop 😡 https://csclub.uwaterloo.ca/~egrant/Elyot-Tracks/Elyot%20Grant%20-%20Let%20R%20Be%20A%20Ring.mp3
Today in textbook shenanigans, a book on stellar atmospheres published in 2005 with an appendix containing a FORTRAN code for a Fast Fourier Transform. From 1968.

finally do I have the proper way of looking at the fediverse  

also yes it's fully functional and I'm actually using it as my main interface right now

summer is like a -20% debuff to functionality i swear

β€œThe Bullshit Web”
https://pxlnv.com/blog/bullshit-web/

The most on point description of the state of the web that I’ve read in a while.

The Bullshit Web

My home computer in 1998 had a 56K modem connected to our telephone line; we were allowed a maximum of thirty minutes of computer usage a day, because my parents β€” quite reasonably β€” did not want to have their telephone shut off for an evening at a time. I remember webpages loading slowly: ten […]