This volume contains 10 invited papers and 40 shortcommunications contributed for presentation at the 17thSymposium on Mathematical Foundations of Computer Science, held in Prague, Czechoslovakia, August 24-28, 1992.The series of MFCS symposia, organized alternately in Polandand Czechoslovakia since 1972, has a long and wellestablished tradition. The purpose of the series is toencourage high-quality research in all branches oftheoretical computer science and to bring togetherspecialists working actively in the area.Numerous topics are covered in this volume. The invitedpapers cover: range...