Yonatan Bilu, Nathan Linial. Monotone maps, sphericity and bounded second eigenvalue. Journal of Combinatorial Theory, Series A, 95(2):283-299, 2005. [doi]
@article{BiluL05,
title = {Monotone maps, sphericity and bounded second eigenvalue},
author = {Yonatan Bilu and Nathan Linial},
year = {2005},
doi = {10.1016/j.jctb.2005.04.005},
url = {http://dx.doi.org/10.1016/j.jctb.2005.04.005},
researchr = {https://researchr.org/publication/BiluL05},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {95},
number = {2},
pages = {283-299},
}