On Friday, January 24, 2020 at 8:47:26 PM UTC-7, Brent wrote: > > > > On 1/24/2020 7:01 PM, Alan Grayson wrote: > > > > On Friday, January 24, 2020 at 6:58:29 PM UTC-7, Brent wrote: >> >> A closed curve on a sphere with a point not on the curve can be >> contracted to a point without crossing the point not the curve no matter >> where that point is. >> >> Brent >> > > Doesn't seem right. If we have a circle on the sphere, and a point at its > center, your claim will fail. AG > > > No it won't. Just "expand" the circle till it contracts to the anti-podal > point. > > Brent >
OK. Is there a formal name for this property? AG -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/f1218e99-2d0c-4c4e-b61a-c2b9fb6efa96%40googlegroups.com.
