The study of equiangular lines and distance sets has long captivated mathematicians through its elegant blend of geometry, algebra and combinatorics. Equiangular lines – sets of lines in Euclidean ...
https://doi.org/10.4169/amer.math.monthly.120.09.849 https://www.jstor.org/stable/10.4169/amer.math.monthly.120.09.849 Abstract We survey results on equiangular n ...