Lab
Every number below is computed on request by the deployed solver — float64 JAX on the backend, nothing simulated in the browser. Slide λ and watch the meters.
Game
harmonic fraction α
potential → relaxesharmonic → circulates
rationality λ = 1.20
0.1 · noise8 · sharp
equilibrium mix σ*(λ)
—
—
reciprocity defect ℛ
0 ⟺ potential game — exactly
—
feedback gain ρ(SB)
ρ ≥ 1: supercritical, χ unreliable
entropy production σ
—
the whole branch — ρ(SB) along λ
tracing branch…
On potential games this curve can be non-monotone — rise toward criticality, then escape as λ sharpens the equilibrium (finding F-0006). Harmonic games cross ρ = 1 and stay there.
▶ try it · guess λ from the data — then let the instruments answer
live float64 solver