Sciweavers

COMBINATORICS
1999
99views more  COMBINATORICS 1999»
13 years 4 months ago
Deformation of Chains via a Local Symmetric Group Action
A symmetric group action on the maximal chains in a finite, ranked poset is local if the adjacent transpositions act in such a way that (i, i + 1) sends each maximal chain either ...
Patricia Hersh