-
homoeoid was
coined by Lord
Kelvin and
Peter Tait.
Closely related is the
focaloid, a s****
between concentric,
confocal ellipses or ellipsoids. If the outer...
- theorem/conjecture – In mathematics, on the
region between two well-behaved
spheres Focaloid –
Geometric s****
bounded by two concentric,
similar ellipses or ellipsoidsPages...
- rings, as can be used for tree-ring
dating Centered cube
number Homoeoid Focaloid Circular symmetry Magic circle (mathematics)
Osculating circle Spiral Circles:...
- 4\pi r^{2}} .
Spherical pressure vessel Ball
Solid torus Bubble Sphere Focaloid Weisstein, Eric W. "Spherical S****". mathworld.wolfram.com.
Wolfram Research...
-
differential equation Elliptical distribution, in
statistics Elliptical dome
Focaloid Geodesics on an
ellipsoid Great ellipse Kepler's laws of
planetary motion...
-
confocal ellipsoids (a
focaloid) has the
property that the
gravitational force outside of two concentric,
confocal focaloids is the same. Propositions...
- form an
ellipse or an
ellipsoid of
revolution (spheroid), respectively.
Focaloid, a s****
bounded by two concentric,
confocal ellipsoids Geodesics on an...
- dz=abc\,s^{2}\sin \theta \,ds\,d\theta \,d\phi .}
Ellipsoidal latitude Focaloid (s****
given by two
coordinate surfaces) Map
projection of the triaxial...
-
diagonals connecting opposite points have
equal length.
Apollonian circles Focaloid Hilbert & Cohn-Vossen 1952, p. 6.
Felix Klein:
Vorlesungen über Höhere...