#Mathober #Mathober2025

The prompt for day 3 was 'Polyhedron'. In mathematics a 'convex polyhedron' is any subset of ℝ³ which can be obtained as the convex hull of finitely many noncoplanar points. However, when convexity is not required the definition of 'polyhedron' is in some dispute.

Certainly every convex polyhedron is a polyhedron, however there are multip-

On second thoughts, this post would be better expressed as an alignment chart meme.

#Math #Maths #Mathematics #Geometry #Polyhedra

#Mathober #Mathober2025

The prompt for day 3 was 'Polyhedron'. In mathematics a 'convex polyhedron' is any subset of ℝ³ which can be obtained as the convex hull of finitely many noncoplanar points. However, when convexity is not required the definition of 'polyhedron' is in some dispute.

Certainly every convex polyhedron is a polyhedron, however there are multip-

On second thoughts, this post would be better expressed as an alignment chart meme.

#Math #Maths #Mathematics #Geometry #Polyhedra

I have a #science question. A major challenge in #climatology and climate models is reconstructing historical weather and climate data from incomplete and fragmentary data sets and many different sources. I know that there is a lot of thought put into these models, and that they largely do it well. But to outsiders, this process of reconstruction can often seem dubious and thus is frequently used to cased doubt against both these reconstructions and the field of climatology as a whole.

So what I could use for such discussions are other examples of mathematical reconstructions of historical datasets from fields _outside_ of climatology, to show that this is not a unique process but a widely used approach. Can anyone give me any suggestions?

#math #mathematics #statistics

https://communitymedia.video/w/rqokDpoYckC42rBoVTd1d1 #archive

#climateCrisis #haiku by @kentpitman

Depressing actual #journalism specific #nz #llm eg (source invidious link as response)

@jns #gopher gopher://gopher.linkerror.com
- gopher://perma.computer
- #warez #history
- #EternalGameEngine
- #unix_surrealism

#lisp #programming
@vnikolov #commonLisp #mathematics #declares
@mdhughes & @dougmerritt @ksaj #automata, in https://gamerplus.org/@screwlisp/115245557313951212

https://lambda.moo.mud.org/

I have a #science question. A major challenge in #climatology and climate models is reconstructing historical weather and climate data from incomplete and fragmentary data sets and many different sources. I know that there is a lot of thought put into these models, and that they largely do it well. But to outsiders, this process of reconstruction can often seem dubious and thus is frequently used to cased doubt against both these reconstructions and the field of climatology as a whole.

So what I could use for such discussions are other examples of mathematical reconstructions of historical datasets from fields _outside_ of climatology, to show that this is not a unique process but a widely used approach. Can anyone give me any suggestions?

#math #mathematics #statistics

@ricmac
I'm pro-facts, and anti-AI because I'm also a #Mathematics #teacher and #AI is horribly bad at doing Maths (can't reason). Students (or anyone at all) should NOT be using AI to learn Maths (or do their homework)! I just posted today about how AI is bad at tutoring. I run 2 (intermittent) series here, #MathsMonday and #FactFriday

Related: Programmers are also horribly bad at Maths, as evident by almost every e #calculator in existence gives wrong answers. See https://dotnet.social/@SmartmanApps/111164851485070719

Happy #PythagorasDay! 🥳

Today’s date is 9.16.25, or 3² + 4² = 5².

#Math#Mathematics#Pythagoras#PythagoreanTheorem#PythagoreanTriple

Happy #PythagorasDay! 🥳

Today’s date is 9.16.25, or 3² + 4² = 5².

#Math#Mathematics#Pythagoras#PythagoreanTheorem#PythagoreanTriple

Hey, folks. One of my co-workers has a new book out:

https://www.amazon.com/Numbers-that-Dazzled-World-Imagination/dp/B0FQFVLGHN

#mathematics #history

Hey, folks. One of my co-workers has a new book out:

https://www.amazon.com/Numbers-that-Dazzled-World-Imagination/dp/B0FQFVLGHN

#mathematics #history

Here's how to approximate π with e

#mathematics #pi #pie

A new video from Matt Parker:

https://www.youtube.com/watch?v=b6S5gHjuN48

And I'm in it !!

Don't let that put you off ... the rest of it is pretty good.

What hashtags should I use?

#Maths #mathstodon#Mathematics#MathChat#MathCommunity

Hilbert curve snake

#Math#Maths#Mathematics#MathArt

"NSF (US National Science Foundation) suspended a $25 million grant for the Institute for Pure and Applied #Mathematics (IPAM), an international center at #UCLA that hosts about 2000 visiting researchers every year for workshops and other programs. One of its stars, Terence Tao, a Fields Medal winner frequently named as one of the greatest living mathematicians, also had his only NSF grant suspended."
Science | AAAS

https://www.science.org/content/article/nsf-and-nih-suspend-grants-ucla

"NSF (US National Science Foundation) suspended a $25 million grant for the Institute for Pure and Applied #Mathematics (IPAM), an international center at #UCLA that hosts about 2000 visiting researchers every year for workshops and other programs. One of its stars, Terence Tao, a Fields Medal winner frequently named as one of the greatest living mathematicians, also had his only NSF grant suspended."
Science | AAAS

https://www.science.org/content/article/nsf-and-nih-suspend-grants-ucla

It is not always easy to find a good fit at an excellent research institution. If you are considering doing a #PhD or #Postdoc in #mathematics #particlephysics#theoreticalphysics or #astrophysics we have you sorted in Hamburg. This workshop is a way to get to know our Cluster of Excellence and #UniHamburg/#DESY groups on those topics, just before we start hiring this year. Check it out!

Mathematician Joshua Zahl, celebrated expert in the field of mathematics, is transferring from Canada to Nankai University in China. He will assume a full-time chair professorship there. This comes just a few months after he solved a mathematical problem described as centuries-old and magical.

https://johnsonwkchoi.com/2025/06/25/maths-star-joshua-zahl-leaves-canada-for-china/

#china #canada #science #mathematics