Foreword -- 27th International Symposium on Theoretical Aspects of Computer Science

The STACS conference of March 4-6, 2010, held in Nancy, is the 27th in this series. The STACS 2010 call for papers led to over 238 submissions from 40 countries. Each paper was assigned to three program committee members. The committee selected 54 papers during a two-week electronic meeting held in November.