Tag Archives: inverse

A strange representation of Z6

On my other blog I am writing about a proof of the Lucas-Lehmer test, and today in the course of working up some examples I stumbled across this little gem. Let be a monoid, and let denote the subset of … Continue reading

Posted in math | Tagged , , , | 11 Comments

Things I have learned about vector spaces

Work on the diagrams library is coming along rather nicely. I’ll have more to say about it soon, but for now here are two things I have learned recently: Normals transform as the inverse transpose (see Subject 5.27). Be very … Continue reading

Posted in math, projects | Tagged , , , , , , , | 4 Comments