Christian Lawson-Perfect @christianp@mathstodon.xyz

Consider unfollowing that person that always leaves you feeling worse about things.

New entry!
Fiboquadratic Sequences and Extensions of the Cassini Identity Raised From the Study of Rithmomachia
Article by Tomás Guardia and Douglas Jiménez
In collections: Fibonaccinalia, Games to play with friends, History
In this paper, we introduce fiboquadratic...
URL: http://arxiv.org/abs/1509.03177v3
PDF: http://arxiv.org/pdf/1509.03177v3
Entry: http://read.somethingorotherwhatever.com/entry/FiboquadraticSequencesandExtensionsoftheCassiniIdentityRaisedFromtheStudyofRithmomachia

Public petition to ban all 2-column papers as they are unreadable and a complete waste.

Thank you for attending my TED talk.

Mechanical Computing Systems Using Only Links and Rotary Joints
Article by Ralph C. Merkle and Robert A. Freitas Jr. and Tad Hogg and Thomas E. Moore and Matthew S. Moses and James Ryley
In collections: Basically computer science, Things to make and do, Unusual computers
A new paradigm for mechanical...
URL: http://arxiv.org/abs/1801.03534v1
PDF: http://arxiv.org/pdf/1801.03534v1
Entry: http://read.somethingorotherwhatever.com/entry/MechanicalComputingSystemsUsingOnlyLinksandRotaryJoints

Alan Turing is the face of the new £50 note

The Bank of England has announced, following a public poll, that the new £50 note will feature mathematician, cryptographer and computer science pioneer Alan Turing. While this might seem like unambiguous good news, the issues it raises are more complicated than they first appear. Here’s a guest post from LGBT+ mathematician Calvin Smith with his… https://aperiodical.com/2019/07/alan-turing-is-the-face-of-the-new-50-note/

Leiden wall formulas: http://muurformules.nl/

The last time I was in Leiden they were decorating the exterior walls of all their buildings with poems of many different languages. Now they've moved on to the language of mathematics.

AJA: « to jam » (faire de la musique improvisée) en français, c'est : « faire un boeuf »