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Surface (topology)
Subclasses
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Sphere
Y
87%
Set of points equidistant from a center
Torus
Y
100%
Doughnut-shaped surface of revolution
Genus-two surface
Y?
67%
Surface of revolution
Y
93%
Surface created by rotating a curve about an axis
Genus
g
surface
Y
83%
Smooth closed surface with g holes
Pinched torus
?
TBD
Kind of two-dimensional surface
Genus-three surface
?
TBD
smooth closed surface with three holes
