Triple

T7648313
Position Surface form Disambiguated ID Type / Status
Subject Heinz Hopf E173181 entity
Predicate notableWork P4 FINISHED
Object Hopf conjecture (on Euler characteristic and curvature)
The Hopf conjecture on Euler characteristic and curvature is an open problem in differential geometry proposing a deep link between the sign of a manifold’s Euler characteristic and the sign of its sectional curvature, especially for even-dimensional manifolds with positive or negative curvature.
E679323 NE FINISHED

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69c6995473348190a4f41d110d619a18 elicitation completed
NER batch_69c6fb134a40819097f9de5f24d1df0f ner completed
NED1 batch_69c89ada2a54819098672d45ab56f784 ned_source_triple completed
NED2 batch_69c89c56d9688190bd14badc319f9c44 ned_description completed
NEDg batch_69c89b7c27988190b78be7f249bda554 nedg completed
Created at: March 27, 2026, 3:58 p.m.