Related articles:
Planar graph
Octahedron
Surface
Platonic solid
Polyhedron
Dodecahedron
Tetrahedron
Icosahedron
Leonhard Euler
Torus
Key terms:
chi
faces
euler characteristic
edges
graph
proof
finite
minus
mathematics
homology
vertices
sphere
topological
polyhedron
planar
theorem
geometry
convex
mathcal
manifold
triangle
cdot
more generally
poset
polyhedral
pentagons
compact space
alternating sum
stratified space
product property
number of vertices
euler characteristic of any
euler characteristic of a finite
hexagons
scriptstyle
colon
proof of euler
sheaf
homotopy equivalent
cauchy
decomposition
betti number
euler class
strata
algebraic
multiplication
projective
cardinality
planar graph
homeomorphic
Search external links cited by footnotes on Wikipedia page Euler characteristic:
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