Title of article :
An involution on derangements Original Research Article
Author/Authors :
Robin Chapman، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2001
Abstract :
We give a bijective proof that the number of even and odd derangements in Sn differs by n−1.
Keywords :
Involutions , Bijections , Derangements
Journal title :
Discrete Mathematics
Journal title :
Discrete Mathematics