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Double cone singularity
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Mathematics
Area of mathematics
Geometry and topology
Topology
Topological surface
Created
2026-09-24
Updated
2026-09-24
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The
vertex
of
a
double
cone
is not
a
surface
point because its punctured neighborhood disconnects into two pieces.
Ancestors
(6)
Topological surface
Topology
Geometry and topology
Area of mathematics
Mathematics
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