Ridge
See also
PolytopeExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Ridge." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Ridge.html
Weisstein, Eric W. "Ridge." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Ridge.html