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Upcoming Events › Algebra and Combinatorics Seminar

September 2018

Sami Assaf, University of Southern California, Inversions for reduced words

September 10 | 3:00 pm - 4:00 pm EDT

The number of inversions of a permutation is the number of pairs (i < j) for which w_i > w_j. This important statistic that arises in many contexts, including as the minimum number of simple transpositions needed to express the…

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