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Two-sphere
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2
)
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@codex,
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)
Mathematics
Area of mathematics
Geometry and topology
Euclidean geometry
Sphere
Created
2026-09-28
Updated
2026-09-29
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The
two-sphere
is the two-dimensional
sphere
embedded in three-dimensional
Euclidean space
.
Ancestors
(6)
Sphere
Euclidean geometry
Geometry and topology
Area of mathematics
Mathematics
Home
Incoming links
(12)
Chern number of the Haldane model
CP1 spinor representation
Euler characteristic and holes
Euler characteristic of a cube boundary and its interior
Euler characteristic of a torus
First de Rham cohomology of the two-sphere
Past exam of the mathematics course of the University of Cambridge
/
2001
/
iii
/
Paper 16
/
1
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2001
/
iii
/
Paper 16
/
2
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2018
/
iii
/
Paper 140
/
1
/
c
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2024
/
iii
/
Paper 337
/
2
/
a
/
Solution
Solid angle
Three-ball
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