• MBM@lemmings.world
    link
    fedilink
    arrow-up
    14
    ·
    edit-2
    26 days ago

    Unless you know algebraic topology it’s kind of hopeless (but that’s the joke). If you’re curious, it’s the first example on the page on cohomology rings.
    Edit: So, you could say H(🌭;🍔) = 🍔[🥚] / (🥚n+1) where |🥚| = 1.