Chocolate games that satisfy the inequality \(y \leq \left \lfloor \frac{z}{k} \right\rfloor\) for \(k=1,2\) and Grundy numbers

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In collections: Attention-grabbing titles, Games to play with friends, Food

We study chocolate games that are variants of a game of Nim. We can cut the chocolate games in 3...

URL: http://www.mi.sanu.ac.rs/vismath/miyadera2013/index.html

Entry: http://read.somethingorotherwhatever.com/entry/ChocolategamesthatsatisfytheinequalityforandGrundynumbers

i love everything about this https://computerfairi.es/media/78nmZBGk8cJYEusfZE0

Classic DOS platformer Jazz Jackrabbit, its Widows sequel, and Epic Pinball were added to GOG's catalog!

https://www.gog.com/game/jazz_jackrabbit_collection

I've just learnt about Duffinian numbers. They're composite numbers which are coprime to the sum of their divisors.

In addition: Numbers Aplenty is a terrific site: http://www.numbersaplenty.com/set/Duffinian_number/

#mathsobject 2

A Möbius strip.

Wow, @esoterica has over a hundred followers!

That pleases me a lot.

I've added a new category: Food!

http://read.somethingorotherwhatever.com/collection/food

What are some of the most ridiculous proofs in mathematics?

Web page by Anonymous

In collection: The act of doing maths

URL: http://www.quora.com/Mathematics/What-are-some-of-the-most-ridiculous-proofs-in-mathematics

Entry: http://read.somethingorotherwhatever.com/entry/item28

I love the Journal of Number Theory's video abstracts.

This one by Sungkon Chang is great, building on Zeckendorf's theorem: https://www.youtube.com/watch?v=vSwSJ_sppns

(Yes, Elsevier is garbage. They haven't added much value here: the video is Chang's own work, and they haven't even gone to the effort of writing proper closed captions)

I'm going to try to toot a daily #mathsobject.

Here's an itsphun tetrahedron.

https://mathstodon.xyz/media/ONecVjhgvk-X7q_XB3E

Morty! You turned yourself into a WebAssembly demo! And, and, burp, and and, *pwfff*, and you're very elastic it appears http://www.adultswim.com/etcetera/elastic-man/

91. MORE MIXED FRACTIONS. When I first published my solution to the last puzzle, I was led to attempt the expression of all numbers in turn up to 100 by a mixed fraction containing all the nine digits. Here are twelve numbers for the reader to try his hand at: 13, 14, 15, 16, 18, 20, 27, 36, 40, 69, 72,

94. Use every one of the nine digits once, and only once, in every case.

YES, I AM LAME.

LUSTY

AWESOME

MAGNANIMOUS

EMPATHETIC

https://tshirtsbot.com/product/yes-i-am-lame-lustyawesomemagnanimousempathetic/ #acrostic

Pancake Flipping is Hard

Article by Bulteau, Laurent and Fertin, Guillaume and Rusu, Irena

In collections: Attention-grabbing titles, Puzzles, Basically computer science, Easily explained

Pancake Flipping is the problem of sorting a stack of pancakes of different sizes (that is, a permutation), when the only allowed operation is to insert a spatula...

URL: http://arxiv.org/abs/1111.0434

PDF: http://arxiv.org/pdf/1111.0434v2

Entry: http://read.somethingorotherwhatever.com/entry/Bulteau2011

Today I noticed that 2501 = 41*61, which is quite nice because it's a product of two large primes.

The optimal for this is, I guess, the product of a pair of twin primes (I rule out square numbers cos they're boring). Those numbers are http://oeis.org/A037074

But I feel like there's something extra-nice about 2501=41*61. Is it the matching final digit?

*very insistent voice* ANTISPAGHETTI

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