• Ad4mWayn3@sh.itjust.worksOP
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    15 hours ago

    It gets deeper. It’s also the same as the 0-k-vector, the 0-k-blade, the 0-multivector, the only number that is its own square besides 1, etc…

    • november@lemmy.vg
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      12 hours ago

      There are other idempotent numbers in the split-complex and q-adic (for non-prime q) numbers.