The first international conference organized in Vietnam, which concerns theoretical computer science, was the ICOMIDC Symposium on Mathematics of Computation, held in Ho Chi Minh City in 1988. For the last years great developments have been made in this areas. Therefore, it had become necessary to organize in Vietnam another international conference in this field, which would enable Vietnamese scientists, especially young people, to update the knowledge, to make contacts, to exchange ideas and experiences with leading experts all over the world