@Inproceedings{EPTCS318.9, author = {de Beaudrap, Niel and Bian, Xiaoning and Wang, Quanlong}, year = {2020}, title = {Techniques to Reduce $\pi/4$-Parity-Phase Circuits, Motivated by the ZX Calculus}, editor = {Coecke, Bob and Leifer, Matthew}, booktitle = {{\rm Proceedings 16th International Conference on} Quantum Physics and Logic, {\rm Chapman University, Orange, CA, USA., 10-14 June 2019}}, series = {Electronic Proceedings in Theoretical Computer Science}, volume = {318}, publisher = {Open Publishing Association}, pages = {131-149}, doi = {10.4204/EPTCS.318.9}, }