**Article / Resource
**The Best (and Worst) Ways to Shuffle Cards

Curated by *Lefouque*

**Article / Resource
**The Best (and Worst) Ways to Shuffle Cards

Curated by *Lefouque*

The board is a result of of Bin Shu from East China Normal University visiting Iain Gordon at the University of Edinburgh. In Iain’s words: “We were discussing the combinatorics of non-crossing partitions, and its generalisations to a bunch of different finite groups. 61 more words

There once was a boy named Prince Polyculture,

which he knew he was not,

and maybe even not-not,

which would be not a prince,

not. 463 more words

Often seen with molecular orbitals (MOs) are the small letters *u* and *g.* U, *ungerade, *is the German for **odd**, and g,* gerade*, is the German for… 167 more words

Just some experiments I’m doing with the theorems I’m studying

Today I decided to explore (mainly as an exercise) finite groups of order , where and is an odd prime number. 224 more words

Let us denote by the set of -matrices whose determinant is , and by the quotient . Our aim here is to prove that is a free product: 263 more words

A permutation on *n* elements is a rearrangement of the sequence . There are *n!* permutations on *n* elements. Given a permutation *p* on *n…* 731 more words