Anders Björner: Permutation statistics revisited
Anders Björner, KTH
Tid: On 2011-11-23 kl 10.15
Plats: Room 3733, Department of Mathematics, KTH, Lindstedtsvägen 25, 7th floor
One of the basic facts in enumerative combinatorics is the equidistribution of the inversion number and the major index on permutations of fixed size, discovered by MacMahon a century ago. I will review some of the basic facts and describe some modern ramifications.