Hartmann, Alexander K. - In: Physica A: Statistical Mechanics and its Applications 224 (1996) 3, pp. 480-488
We present a fast (∼ O (N3)) algorithm which calculates groundstates of Ising spin glasses approximately. It works by randomly selecting clusters of spins which exhibit no frustrations. The spins which were not selected, contribute to the local fields of the selected spins. For the...