@article{GemanderChenWeningeretal.2020, author = {Patrick Gemander and Wei-Kun Chen and Dieter Weninger and Leona Gottwald and Ambros Gleixner}, title = {Two-row and two-column mixed-integer presolve using hashing-based pairing methods}, journal = {EURO Journal on Computational Optimization}, volume = {8}, number = {3-4}, pages = {205 -- 240}, doi = {10.1007/s13675-020-00129-6}, year = {2020}, }