Some of the trippiest math I've ever seen. I sat with one of the authors while he wrote pecked out parts of his contribution. Smoking a bong. He's 83. Compl

Some of the trippiest math I've ever seen. I sat with one of the authors while he wrote pecked out parts of his contribution. Smoking a bong. He's 83. Completely dissociative groupoids. http://mb.math.cas.cz/mb137-1/6.html http://mb.math.cas.cz/mb137-1/6.html