Appendix A / B
Explicit examples and a computable certificate
Associative zero example
K: 0 · ‖K‖: 0 · ΔS: 0
Bounds: 0=0
PASS / counterexample to an unconditionally positive boundNonassociative example with Δ_S=0
K: 2e₂ · ‖K‖: 4 · ΔS: 0 for S=‖·‖
PN.2-R: 1=1
PASS / scalar degeneracy, sharp full-state boundGlobal c-separation
K: 12e₂ · ‖K‖: 24 · ΔS: 24
c=1; both bounds: 6=6
PASS / coefficient 1/4 is sharpCompact Ω with ε_-=3
K: (3/2)e₂ · ‖K‖: 3 · ΔS: 3
ε_-=3, κ_Ω=3/4; both bounds: 3/4=3/4
PASS / exact compact lower bound for A₂ onlyPN2-PO12-A2-v1.0 · tests=11 · archive SHA-256 bbcb2715a3e5ab7688dfe1ad317a68f23b163ae10915982216111142ce7da2ad. Closure concerns the abstract package; transfer to physical R⋆R depends on open proof obligations.