2 citations · 3 across the 5 of their papers we have counts for
Showing math.COShow all
2 papers · 1 filter
math.CO2023
Equiangular lines and large multiplicity of fixed second eigenvalue
Carl Schildkraut
Answering a question of Jiang and Polyanskii as well as Jiang, Tidor, Yao, Zhang, and Zhao, we show the existence of infinitely many angles for which the maximum number of line…
math.CO2021
Graphs with high second eigenvalue multiplicity
Milan Haiman, Carl Schildkraut, Shengtong Zhang +1
Jiang, Tidor, Yao, Zhang, and Zhao recently showed that connected bounded degree graphs have sublinear second eigenvalue multiplicity (always referring to the adjacency matrix). Th…