Peter R. W. McNamara, Einar Steingrímsson. On the topology of the permutation pattern poset. Journal of Combinatorial Theory, Series A, 134:1-35, 2015. [doi]
@article{McNamaraS15, title = {On the topology of the permutation pattern poset}, author = {Peter R. W. McNamara and Einar Steingrímsson}, year = {2015}, doi = {10.1016/j.jcta.2015.02.009}, url = {http://dx.doi.org/10.1016/j.jcta.2015.02.009}, researchr = {https://researchr.org/publication/McNamaraS15}, cites = {0}, citedby = {0}, journal = {Journal of Combinatorial Theory, Series A}, volume = {134}, pages = {1-35}, }