@article{v015a020, author = {Gowers, Timothy and Janzer, Oliver}, title = {Subsets of Cayley Graphs that Induce Many Edges}, year = {2019}, pages = {1--29}, doi = {10.4086/toc.2019.v015a020}, publisher = {Theory of Computing}, journal = {Theory of Computing}, volume = {15}, number = {20}, URL = {https://theoryofcomputing.org/articles/v015a020}, }