Ad4mWayn3@sh.itjust.works to Ask Lemmy@lemmy.world · 21 days agoWhat is your favorite math constant that is NOT a real number?message-squaremessage-square38fedilinkarrow-up143arrow-down12
arrow-up141arrow-down1message-squareWhat is your favorite math constant that is NOT a real number?Ad4mWayn3@sh.itjust.works to Ask Lemmy@lemmy.world · 21 days agomessage-square38fedilink
minus-squarenovember@lemmy.vglinkfedilinkEnglisharrow-up2·21 days agoZero is a real number, but interestingly, it’s also a pure imaginary number. It’s the only number that’s both things at once.
minus-squareAd4mWayn3@sh.itjust.worksOPlinkfedilinkarrow-up0·21 days agoIt 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…
minus-squarenovember@lemmy.vglinkfedilinkEnglisharrow-up1·21 days agoThere are other idempotent numbers in the split-complex and q-adic (for non-prime q) numbers.
Zero is a real number, but interestingly, it’s also a pure imaginary number. It’s the only number that’s both things at once.
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…
There are other idempotent numbers in the split-complex and q-adic (for non-prime q) numbers.