X-Nico

2 unusual facts about Stan Wagon


Banach–Tarski paradox

As Stan Wagon points out at the end of his monograph, the Banach–Tarski paradox has been more significant for its role in pure mathematics than for foundational questions: it motivated a fruitful new direction for research, the amenability of groups, which has nothing to do with the foundational questions.

Square wheel

In 1997 Macalester College mathematics professor Stan Wagon constructed the first prototype of a catenary tricycle.



see also