Problem of the Week
BUGCAT
Zassenhaus Conference
Hilton Memorial Lecture
BingAWM
Math Club
The lattice of non-crossing partitions is self-dual in a simple way. I will show that it also has a symmetric chain decomposition by decomposing it into sub-posets that are direct products of smaller non-crossing partition lattices. I will also present a constructive proof of this through words.
This work was done by Simion and Ullman.