@techreport{repORt:2019-2019—052, author = {E. Boros and Y. Crama and E. Rodríguez-Heck}, title = {Compact quadratizations for pseudo-Boolean functions}, institution = {Lehrstuhl f\"{u}r Operations Research, RWTH Aachen University}, year = {2019}, type = {repORt}, number = {2019—052}, month = {Jan}, url = {https://or.rwth-aachen.de/files/research/publications/article_quadrat_bounds ORBI.pdf} }