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emergent family

πŸ•ΈοΈ Visibility-graph topology (parameter-free)

6 novel Β· 1 crypto-prior Β· 0 excluded. Each row links its FOSS implementation + license + paper. Empirical orthogonality deferred.

#CandidateFOSS implementation @ licensePaper Β· provenanceCoverage
#54 hvg_mean_clustering_coefficient_bar
Build the Horizontal Visibility Graph (HVG) of the bar's series (close, or the intra-bar mid-tick stream): each point is a node; nodes i,j connect iff
CarlosBergillos/ts2vg
MIT (ts2vg); BSD-3-Clause (network
DOI:10.1103/PhysRevE.80.046103
git-anchor: absent @c803ef96e + @2d308f1c
not-covered
#55 hvg_degree_assortativity_coefficient
Build the HVG of the bar-close series (200-bar substrate); report the Pearson degree-degree assortativity coefficient r (correlation of degrees across
CarlosBergillos/ts2vg
MIT (ts2vg); BSD-3-Clause (network
arXiv:1012.3850
git-anchor: absent @c803ef96e + @2d308f1c
not-covered
#56 hvg_tetradic_motif_profile_entropy
The occurrence-frequency vector of the six distinguishable 4-node (tetradic) motifs in the horizontal visibility graph of the bar series. Each motif e
CarlosBergillos/ts2vg
MIT (ts2vg); BSD-3-Clause (network
arXiv:1811.03794
git-anchor: absent @c803ef96e + @2d308f1c
not-covered
#57 hvg_mean_shortest_path_length
Mean shortest-path length L of the HVG (average over all node pairs). For i.i.d. random series L scales as ~1.3*log(N)-1.7 (small-world); for high-Hur
CarlosBergillos/ts2vg (+ networkx for nx.average_shortest_path_length)
MIT / BSD-3-Clause
arXiv:1002.4526
git-anchor: absent @c803ef96e + @2d308f1c
not-covered
#58 hvg_mean_degree_excess
Build the Horizontal Visibility Graph of the 200-bar close (or log-return) series; report the mean node degree <k> = 2*E/N. For any i.i.d. random seri
CarlosBergillos/ts2vg
MIT
arXiv:1002.4526
git-anchor: absent @c803ef96e + @2d308f1c
not-covered
#59 hvg_forward_visibility_horizon_mean_bar
On the directed HVG, the forward visibility horizon L+(t) at node t is the number of steps until the path first reaches/exceeds x_t (for tie-free seri
CarlosBergillos/ts2vg
MIT (ts2vg); reference statistic h
arXiv:2512.02352
git-anchor: absent @c803ef96e + @2d308f1c
crypto-prior
#60 vg_time_directed_clustering_kld
Donges/pyunicorn time-reversal asymmetry of the LOCAL CLUSTERING COEFFICIENT in the visibility graph: decompose each node's local clustering coefficie
⚠ distinct topological aspect vs iter-1 dhvg_indegree_outdegree_kld (clustering not degree)
pik-copan/pyunicorn
BSD-3-Clause
arXiv:1507.01571
git-anchor: absent @c803ef96e + @2d308f1c
not-covered