There Does Not Exist a Distance-Regular Graph with Intersection Array {80, 54, 12; 1, 6, 60}

Jack H. Koolen, Quaid Iqbal, Jongyook Park, Masood Ur-Rehman. There Does Not Exist a Distance-Regular Graph with Intersection Array {80, 54, 12; 1, 6, 60}. Graphs and Combinatorics, 35(6):1597-1608, 2019. [doi]

Abstract

Abstract is missing.