2020/12/22 by Ferdinand Ihringer, Ihringer, Ferdinand
Mathematics · #Algebraic Geometry and Number Theory #Algebraic structures and combinatorial models #Combinatorics (math.CO) #FOS: Mathematics #Finite Group Theory Research #math.CO
paper · pdf · doi:10.48550/arxiv.2012.12234
Merged with arXiv:2012.10651 [math.CO]
openalex publication_date 2020/12/22 · arxiv created 2020/12/30 · arxiv updated 2021/01/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Recently, Pavese and Smaldore constructed graphs cospectral to NU(5, q2) for q>2. We show that their construction works for NU(n, q2), n ≥ 5. Hence, none of the graphs NU(n, q2), n ≥ 5, are determined by their spectrum.