schnurrito@discuss.tchncs.de to xkcd@lemmy.worldEnglish · 3 months agoxkcd #3077: de Sitterxkcd.comexternal-linkmessage-square11fedilinkarrow-up183arrow-down13file-text
arrow-up180arrow-down1external-linkxkcd #3077: de Sitterxkcd.comschnurrito@discuss.tchncs.de to xkcd@lemmy.worldEnglish · 3 months agomessage-square11fedilinkfile-text
Our anti-de Sitter club is small at the moment, but I’ve started corresponding with the conformal field theory people. https://explainxkcd.com/3077/
minus-squareknightly the Sneptaur@pawb.socialcakelinkfedilinkEnglisharrow-up9·edit-23 months agoYup! That saddle is a shape of constant negative curvature. On a toroid, the inside of the hole would have negative curvature and the outside would have positive curvature.
minus-squareHamartiogonic@sopuli.xyzlinkfedilinkEnglisharrow-up5·3 months agoWow. That would be truly bizarre kind of space to live in.
Yup! That saddle is a shape of constant negative curvature. On a toroid, the inside of the hole would have negative curvature and the outside would have positive curvature.
Wow. That would be truly bizarre kind of space to live in.