I found myself reminiscing about my implementation of Blowfish today. It earned me the great honour of being listed on Bruce Schneier’s web page. My implementation made Blowfish compatible across 32-bit signed ints, 64-bit signed ints, and 64-bit floats. I wrote this code coming up on 12 years ago… how time flies.
Category Archives: Mathematics
Intuitionism
Recently I read about Intuitionism and I can tell you unreservedly that I do not believe in it. I believe that objective things can exist independent of human minds and the most salient example I could give is in your computers. In your computer you can calculate 1 + 1 = 2 and you can do so quite independently of a human mind. 1 + 1 = 2 is an objective truth which can easily be modelled in a machine. Certainly mathematics can *also* be the result of constructive mental activity in human minds, but it is not limited to that. Also it might be interesting to note that machines will be able to find objective mathematical truths which are beyond the capacity of a human mind alone, in fact I’m quite sure that will have been done already (if you can think of an example feel free to let me know!).
Curry–Howard correspondence
Some light reading. /s
Humble Pi: A Comedy of Maths Errors
On my list of books to buy (and read!) is Humble Pi: A Comedy of Maths Errors by Matt Parker.
Strange Loop videos by Philip Wadler
Two presentations given at Strange Loop by Philip Wadler.
Gödel and Mandelbrot
Post’s theorem
I’m not ready for this, but I wish I was: Post’s theorem.
“Categories for the Working Hacker” by Philip Wadler
An intro to category theory: “Categories for the Working Hacker” by Philip Wadler.
Math binge
Some fun math videos:
- How To Count Past Infinity
- The Banach–Tarski Paradox
- Numberphile v. Math: the truth about 1+2+3+…=-1/12
And some fun math articles:
The Circle
I did some creative writing, inspired by a new friend: The Circle.