EulerCharacteristic
P39244
predicate
Indicates the topological invariant of a space that equals, in a suitable decomposition, the alternating sum of the counts of its cells (e.g., vertices − edges + faces).
Observed surface forms (1)
- hasEulerCharacteristic ×1
Sample triples (2)
| Subject | Object |
|---|---|
| Euler’s polyhedron formula | 2 via predicate surface "hasEulerCharacteristic" → |
| Klein quartic | -4 → |