Descriptional Complexity of Formal Systems

This book constitutes the proceedings of the 22nd International Conference on Descriptional Complexity of Format Systems, DCFS 2020, which was supposed to take place in Vienna, Austria, in August 2020, but the conference was canceled due to the COVID-19 crisis.

The 19 full papers presented in this volume were carefully reviewed and selected from 31 submissions. They deal with all aspects of descrip...