Metadata
Author: WikiMatrix
Data
English[en]
The (rational) Betti numbers bk(X) do not take into account any torsion in the homology groups, but they are very useful basic topological invariants.
Dutch[nl]
De (rationale) Betti-getallen bK(X) houden geen rekening met eventuele torsie in de homologiegroepen, maar Betti-getallen zijn zeer nuttige basis topologische invarianten.