Bo Ning gave an online talk on the number of triangles and quadrilaterals in a graph with certain conditions on eigenvalues at the Virtual Discrete Math Colloquium

On January 27, 2022, Bo Ning (宁博) from Nankai University, China gave an online talk at the Virtual Discrete Math Colloquium on the number of 3-cycles and 4-cycles in a graph with certain conditions on eigenvalues. The title of his talk was “Substructures and eigenvalues of graphs: Triangles and quadrilaterals“.