@article{v018a011, author = {Jeffery, Stacey}, title = {Span Programs and Quantum Space Complexity}, year = {2022}, pages = {1--49}, doi = {10.4086/toc.2022.v018a011}, publisher = {Theory of Computing}, journal = {Theory of Computing}, volume = {18}, number = {11}, URL = {https://theoryofcomputing.org/articles/v018a011}, }