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Comment by vitiral | Hacker News Reader
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vitiral
·
I'm familiar with bras I think... what is a "ket"?
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hprotagonist
·
https://en.wikipedia.org/wiki/Bra%E2%80%93ket_notation
a ket is |v>
vitiral
·
It seems I was NOT familiar with what a bra is...
NiceKeeb
·
It's the hermitian conjugate of the corresponding ket.
HideousKojima
·
And a monad is an endofunctor of a monoid
vitiral
·
With that at least I can be nearly certain we are not discussing an alternative brassiere.
capitalsigma
·
It's physicist notation for inner products:
https://en.wikipedia.org/wiki/Bra%E2%80%93ket_notation
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