Correlation Decay strong spatial mixing(SSM):VoB E[a]5 Pr(a(e)=cA)-Pr(o(e)=cA,OB) ≤poly(IVI)exp(-2(t) SSM:sufficiency of local information for approx.of Pr((e)=cA) efficiency of local computation (FPTAS) such implication was known for: g-2,F is Spin (Weitz6) Matching (Bayati-Gamarnik-Katz-Nair-Tetali'08)Correlation Decay strong spatial mixing (SSM): SSM: sufficiency of local information B G e t A XWTa(|V |) M`X((t)) B [q] B ? for approx. of efficiency of local computation 8Z((e) = c | A) q=2, is F Spin (Weitz’06) Matching (Bayati-Gamarnik-Katz-Nair-Tetali’08) such implication was known for: (FPTAS) 8Z((e) = c | A) 8Z((e) = c | A, B)