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  1. Alice Schwarze @[email protected] ·

    RT @[email protected]

    We began #Week11 of #GraudateVisualAlgebra by formalizing group presentations.

    Big idea: adding relations corresponds to taking quotients, i.e., collapsing by cosets.

    Here's a picture of this for D_4. Each node (left) represents a conjugacy class of subgroups.

    1/10 Mon 🧵👇

    🐦🔗: twitter.com/VisualAlgebra/stat

    #graudatevisualalgebra #week11