Search for “
”
Searching map area
Y
Y
N
N
Y
Y
N
N
Home
Map
Random
Rate Things
Explore
Everything
Film
TV
Music
Books
Games
People
Characters
Places
Food
Life
Ideas
Organizations
News
Memes
Other
Join YYNN
Sign in
Closed manifold
Subclasses
Popular
Trending
New
Popular
Popular
Trending
New
Best
Worst
Controversial
Uncontroversial
Best
Worst
Controversial
Uncontroversial
Torus
Y
100%
Doughnut-shaped surface of revolution
Genus-two surface
Y?
67%
n
-sphere
Y
92%
Generalized sphere of dimension n (mathematics)
Genus
g
surface
Y
83%
Smooth closed surface with g holes
Genus-three surface
?
TBD
smooth closed surface with three holes
