Quantcast Fixed Points in Permutations Text - Physics Forums Library
PDA

View Full Version : Fixed Points in Permutations

Dragonfall
Aug19-08, 03:24 PM
What is the expected number of fixed points in permutations? I got 1 as answer.
HallsofIvy
Aug19-08, 04:36 PM
I don't see any immediate way to prove it but that's what it looks like to me.