@article{Homeister2017, author = {Matthias Homeister}, title = {Lower Bounds for the Sum of Graph--driven Read--Once Parity Branching Programs}, journal = {Electronic colloquium on computational complexity : ECCC : research reports, surveys and books in computational complexity}, number = {Report No. 68}, url = {https://eccc.weizmann.ac.il/report/2003/068/}, year = {2017}, }