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Fig. 3 | Algorithms for Molecular Biology

Fig. 3

From: The energy-spectrum of bicompatible sequences

Fig. 3

Geometric interpretation of the 0th-, 1st-, and 2nd- homology group. A The rank of the 0th homology group is 2, counting the number of connected components, where each of them can be contracted to a single point. B The rank of the 1st homology group is 2, counting the number of uncontactable circles on a torus. C The rank of the 2nd homology group is 2, counting the number of empty volume (2-dimensional holes) induced by the spheres

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