International Conference on Trends in Semigroup Theory ��� Evolution Equations International Conference on Trends in Semigroup Theory & Evolution Epuations International Conference on Computing: Theory and Applications International Conference on Computers ��� Applications International Conference on Fan Design ��� Applications International Conference on Recent Advances in Differential Equations International conference on the physics of semiconductors International Conference on Differential Equations international conference on higher education reform in China International conference on “mathematical methods in reliability” : theory. methods. applications