Greg Egan on Nostr: Sergei Drozdov has published his nice proof using hyperbolic simplexes of the ...
Published at
2025-09-03 21:46:04 UTCEvent JSON
{
"id": "e34907fa1f19f23181d282e5c039760d33d9190df9a15a4ff606c622b930c638",
"pubkey": "0037e9f1404aa866c76ed1358206ac5387eb2d3589361a3802af0f260bda26d7",
"created_at": 1756935964,
"kind": 1,
"tags": [
[
"proxy",
"https://mathstodon.xyz/users/gregeganSF/statuses/115142555355090267",
"activitypub"
],
[
"client",
"Mostr",
"31990:6be38f8c63df7dbf84db7ec4a6e6fbbd8d19dca3b980efad18585c46f04b26f9:mostr",
"wss://relay.mostr.pub"
]
],
"content": "Sergei Drozdov has published his nice proof using hyperbolic simplexes of the necessary and sufficient condition on the radii of spheres that sit inside and outside a Euclidean simplex in any dimension.\n\nhttps://www.sciencedirect.com/science/article/pii/S0166218X25004809?dgcid=author",
"sig": "946136feca49a3baade10a2e9128bd6ee9af3e35057f6dcab31833fba06701375cee9f1bbfb279f187bae68169ef62b6b818f2dfa1b659425fde328f977fd8de"
}