Neural-network-assisted genetic algorithm applied to silicon clusters

作者：Marim LR^*; Lemes MR; Dal Pino A

来源：Physical Review A, 2003, 67(3): 033203.

DOI：10.1103/PhysRevA.67.033203

Recently, a new optimization procedure that combines the power of artificial neural-networks with the versatility of the genetic algorithm (GA) was introduced. This method, called neural-network-assisted genetic algorithm (NAGA), uses a neural network to restrict the search space and it is expected to speed up the solution of global optimization problems if some previous information is available. In this paper, we have tested NAGA to determine the ground-state geometry of Si-n (10less than or equal tonless than or equal to15) according to a tight-binding total-energy method. Our results indicate that NAGA was able to find the desired global minimum of the potential energy for all the test cases and it was at least ten times faster than pure genetic algorithm.

• 出版日期2003-3