Inversions for reduced words (Sami Assaf, USC)
Millikan 2099, Pomona College 610 N. College Ave., Claremont, CA, United StatesThe number of inversions of a permutation is an important statistic that arises in many contexts, including as the minimum number of simple transpositions needed to express the permutation and, equivalently, as the rank function for weak Bruhat order on the symmetric group. In this talk, I’ll describe an analogous statistic on the reduced expressions […]