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This relation contains a squared-state or squared-error term. Squaring makes that contribution nonnegative and increases the penalty for larger magnitudes; the surrounding definition specifies whether it is a cost, normalization or summary statistic.
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Original context
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MATHEMATICAL GUARANTEES
Property │ Mathematical Mechanism │ Implementation
State Persistence │ Contraction mapping + append-only log │ BinaryStateIO::save/load
Learning Happens │ K(t) monotonically increasing │ delta_phi ≥ 0 always
No Divergence │ Lyapunov stability, γ > η‖J‖ │ Bounded Ψ, clamped η
No Collapse │ φ_min > 0 invariant │ std::min(1.0f, phi + delta)
Fair Learning │ Deficit-based selection │ select_family_fair()
Bounded Regret │ Ω(T) ≤ O(√T log F) │ Fairness + stability
No Hallucination │ κ^real gates all learning │ Allocator stage 2
Differentiable │ All ops continuous (sigmoid, entmax) │ No TopK discontinuities
LYAPUNOV FUNCTION (stability proof)
V(Ψ) = ½‖Ψ - Ψ*‖² + λΣ_f(φ_f - φ*)²
Stability condition: dV/dt ≤ -α‖Ψ - Ψ*‖² for some α > 0
Satisfied when: γ_i > η_max × ‖J‖_∞ for all i
LEARNING MONOTONICITY THEOREM
Claim: 𝔼[K(t+1) | K(t)] ≥ K(t)
Proof: At each tick, ΔK = H(item) - H(item|state) ≥ 0 by definition of conditional entropy.
Therefore cumulative knowledge K never decreases in expectation. ∎
FAIRNESS CONVERGENCE
Claim: lim_{T→∞} |served_f(T)/T - s_f| = 0
Proof: Deficit Δ_f bounded by F. As T→∞, bounded deficit becomes negligible fraction. ∎
WHAT THIS ACHIEVESExact original notation
dV/dt ≤ -α‖Ψ - Ψ*‖² for some α > 0
Related builds
Sources & provenance
dV/dt ≤ -α‖Ψ - Ψ*‖² for some α > 0