Chen, Chi-Ning; Lin, Chai-Yu - In: Physica A: Statistical Mechanics and its Applications 350 (2005) 1, pp. 45-51
The partition function of the two-dimensional lattice HP model for protein folding is computed by exact enumeration. For a protein-like sequence, the distribution of partiton function zeros shows roughly a two-ring pattern, while for a nonprotein-like sequence, the outer ring of zeros is...