Abstract: It is known that, when n is even, the number of permutations of {1,2,...,n} all of whose cycles have odd length equals the number of those all of whose cycles have even length. Adin, Hegedüs ...
This is the course webpage for Math304, Department of Mathematics, Simon Fraser University. Spring 2021. In this course we will investigate Rubik's cube, the 15-puzzle, TopSpin, and other permutation ...
Given how little algebra, arithmetic and Euclidean geometry have changed in the past century, the perpetual debates about how we should teach math are more than a bit puzzling. The discontent with ...