Tag Archives: mathematics
After a spring clean I came across a talk I gave on the classification of complex reflection groups back in March 2011.
Many people have seen “proofs” that 1 = 2. However most of them have an obvious fallacy – a division by 0.
I have no practical application for what I am going to post about today (although that doesn’t mean there aren’t any), but I “discovered” (okay so I know loads of people will have done it before, but it was a … Continue reading
GAP (Groups, Algorithms, Programming) is a program for computational discrete algebra, which is particularly useful for computational group theory. It is a text based computer system which includes a large number of functions that implement various algebraic algorithms. A vast … Continue reading
The Rubik Cube was invented by one Erno Rubik in 1974 and has gone one to be one of the most popular puzzles in the world, having sold over 350 million units worldwide, even though many people can not solve … Continue reading
David Hilbert was a greatly influential mathematician born in 1862. He worked in a variety of areas including infinite sets and it is in this area that he presented his ‘Hotel’, or his ‘paradox of the Grand Hotel’. Which makes … Continue reading
Yesterday was my wife, Katie’s, birthday and it reminded me about the so called ‘Birthday Problem’. Or, in a group what is the likelihood of two people sharing a birthday? The result is really quite surprising!