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cond-mat.stat-mech2004
Error threshold in optimal coding, numerical criteria and classes of universalities for complexity
David B. Saakian
The free energy of the Random Energy Model at the transition point between ferromagnetic and spin glass phases is calculated. At this point, equivalent to the decoding error thresh…
cond-mat.stat-mech2004
Eigen model as a quantum spin chain: exact dynamics
David Saakian, Chin-Kun Hu
We map Eigen model of biological evolution [Naturwissenschaften {\bf 58}, 465 (1971)] into a one-dimensional quantum spin model with non-Hermitean Hamiltonian. Based on such a conn…