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Published byTimo Lehtonen Modified over 5 years ago
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https://arxiv.org/abs/1506.08903
Table 2: VR = Vietoris Rips, W = weak witness, Wn = parametrized witness, WRCF = weight rank clique filtration, and a = the alpha complex.
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https://github.com/Ripser/ripser
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https://arxiv.org/abs/1506.08903
Table 2: VR = Vietoris Rips, W = weak witness, Wn = parametrized witness, WRCF = weight rank clique filtration, and a = the alpha complex.
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https://arxiv.org/abs/1506.08903
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comptop.stanford.edu/preprints/witness.pdf
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http://web. cse. ohio-state
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> δ ≤ δ D ⊆ V is a δ-net of V if
(i) v ∈ V , d ∈ D such that ||v − d|| ≤ δ; and (ii) no two points in D are within δ distance. > δ ≤ δ
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Choosing a δ-net : Maxmin 1.) choose point l1 randomly 2.) If {l1, …, lk-1} have been chosen, choose lk such that {l1, …, lk-1} is in D - {l1, …, lk-1} and min {d(lk, l1), …, d(lk, lk-1)} ≥ min {d(v, l1), …, d(v, lk-1)}
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