Fig. 9From: Gene expression data classification using topology and machine learning modelsa Filtration \({\mathcal {F}}=K_0,..,K_9\) explaining persistence pairing. The edge inserted in \({\mathcal {K}}_4\) dies when the green triangle in \({\mathcal {K}}_9\) appears. b Different \({\mathcal {H}}_1\) cycles for same homology classBack to article page