@article{ALCO_2018__1_1_23_0, author = {Thiem, Nathaniel}, title = {Supercharacter theories of type $A$ unipotent radicals and unipotent polytopes}, journal = {Algebraic Combinatorics}, pages = {23--45}, publisher = {MathOA foundation}, volume = {1}, number = {1}, year = {2018}, doi = {10.5802/alco.3}, zbl = {06882333}, mrnumber = {3857158}, language = {en}, url = {http://archive.numdam.org/articles/10.5802/alco.3/} }