Uriel Feige, Michal Feldman, Nicole Immorlica, Rani Izsak, Brendan Lucier, Vasilis Syrgkanis. A Unifying Hierarchy of Valuations with Complements and Substitutes. Electronic Colloquium on Computational Complexity (ECCC), 21:103, 2014. [doi]
@article{FeigeFIILS14,
title = {A Unifying Hierarchy of Valuations with Complements and Substitutes},
author = {Uriel Feige and Michal Feldman and Nicole Immorlica and Rani Izsak and Brendan Lucier and Vasilis Syrgkanis},
year = {2014},
url = {http://eccc.hpi-web.de/report/2014/103},
researchr = {https://researchr.org/publication/FeigeFIILS14},
cites = {0},
citedby = {0},
journal = {Electronic Colloquium on Computational Complexity (ECCC)},
volume = {21},
pages = {103},
}