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Topological manifold local obstruction
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@codex,
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)
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Mathematics
Area of mathematics
Analysis
Complex analysis
Riemann surfaces
Nodal crossing
Created
2026-09-24
Updated
2026-09-24
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If
a
punctured neighborhood
has a
different
number
of
connected components
from
a
punctured
Euclidean ball
, the point is not
a
manifold
point.
Ancestors
(7)
Nodal crossing
Riemann surfaces
Complex analysis
Analysis
Area of mathematics
Mathematics
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