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Events for January 25, 2022

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12:30 pm

Questions on Symmetric Chains (Shahriar Shahriari, Pomona)

January 25 @ 12:30 pm - 1:20 pm

The set of subsets {1, 3}, {1, 3, 4}, {1, 3, 4, 6} is a symmetric chain in the partially ordered set (poset) of subsets of {1,...,6}. It is a chain, because each of the subsets is a subset of the next one. It is symmetric because the collection has as many subsets with less […]

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