LeftRedditOnJul1@lemmy.world to Wikipedia@lemmy.worldEnglish · 2 years agoHairy Ball Theoremen.m.wikipedia.orgexternal-linkmessage-square10linkfedilinkarrow-up179arrow-down11 cross-posted to: taneggs@lemmy.ca
arrow-up178arrow-down1external-linkHairy Ball Theoremen.m.wikipedia.orgLeftRedditOnJul1@lemmy.world to Wikipedia@lemmy.worldEnglish · 2 years agomessage-square10linkfedilink cross-posted to: taneggs@lemmy.ca
minus-square4am@lemm.eelinkfedilinkEnglisharrow-up23·2 years ago A failed attempt to comb a hairy 3-ball (2-sphere), leaving a tuft at each pole