@Inproceedings{EPTCS351.15, author = {Schmid, Todd and Rot, Jurriaan and Silva, Alexandra}, year = {2021}, title = {On Star Expressions and Completeness Theorems}, editor = {Sokolova, Ana}, booktitle = {{\rm Proceedings 37th Conference on} Mathematical Foundations of Programming Semantics, {\rm Hybrid: Salzburg, Austria and Online, 30th August - 2nd September, 2021}}, series = {Electronic Proceedings in Theoretical Computer Science}, volume = {351}, publisher = {Open Publishing Association}, pages = {242-259}, doi = {10.4204/EPTCS.351.15}, }