Starting off: The notion of a group

In this series of posts exploring the Rubik’s Cube, the notion of a group is going to be central. A set and an operation @ (like +, *, – ) are said to form a group if they satisfy the following conditions. (The text above looks different because I had to first type it in Tex and then take…

Taking on the Rubik’s Cube

Group theory is so often seen as a highly abstract area of Mathematics and it seems difficult to imagine how it could be applied in the real world. Perhaps it seems as an area that mathematicians love for its pure beauty and its fascinating structures and reasoning. However that is not very much true. While…