theorem network_hierarchy_bridge (net : ComplementarityNetwork J)
(hw : ∀ j k, 0 ≤ net.w j k)
(P : HierarchicalPartition J N) (v : Fin J → ℝ) :
laplacianQF net v = intraLevelQF net P v + interLevelQF net P v ∧
0 ≤ intraLevelQF net P v ∧
0 ≤ interLevelQF net P v :=
⟨qf_decomposition net P v,
intraLevelQF_nonneg net hw P v,
interLevelQF_nonneg net hw P v⟩Endogenous Hierarchy: Network CES ↔ Spectral Hierarchy Bridge