Specific Logical Loop (IMAGE) Society for Industrial and Applied Mathematics Caption This is a specific logical loop in the process of the construction of the concrete interplay model. Credit Mengfeng Sun, Michael Small, Shui Shan Lee, and Xinchu Fu Usage Restrictions Please use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.