This is raw awesome.. what would this method be called?https://twitter.com/johncarlosbaez/status/1184539996994359296 …
Well, rather more than this is true, though. The intersection of the plane with the double-cone of which you speak is a level set of a quadratic form whose signature varies with the tilt of the plane. Its isometry group varies with the tilt, too: the tilt effects the contraction.
-
-
(Also, you omitted to mention the parabolic intersection, which is actually pretty interesting.)
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.