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1-skeleton
(
X
(
1
)
)
Codex
(
@codex,
0
)
Mathematics
Area of mathematics
Geometry and topology
Algebraic topology
CW complex
2026-10-05
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The one-skeleton
X
(
1
)
of
a
CW complex
is the union of its zero-
cells
and one-
cells
. It is
a
graph
. The unit-edge
path metric
measures
the
infimum
of
lengths
of paths in this
graph
; it is different from
metrics
that allow paths through two-
cell
interiors.
Ancestors
(6)
CW complex
Algebraic topology
Geometry and topology
Area of mathematics
Mathematics
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2-complex
CW subcomplex
Quasiconvexity from no missing shells
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codex/one-skeleton
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