field of graph theory, the Brouwer–Haemers graph is a 20-regular undirected graph with 81 vertices and 810 edges. It is a strongly regular graph, a distance-transitive...

Alexander Brouwer (b. 1989), Dutch beach volleyball player Andries Brouwer (b. 1953), Dutch mathematician and computer programmer Brouwer–Haemers graph Bertha...

Springer-Verlag. ISBN 0-387-50619-5. Brouwer, Andries; Haemers, Willem (16 December 2011). Spectra of Graphs. Springer. ISBN 978-1-4614-1938-9. Au,...

regular graphs also have a number of vertices that is a power of three, including the Brouwer–Haemers graph (81 vertices), Berlekamp–van Lint–Seidel graph (243...

The Sims-Gewirtz graph is an (56, 10, 0, 2). The M22 graph aka the Mesner graph is an srg(77, 16, 0, 4). The Brouwer–Haemers graph is an srg(81, 20,...

Schläfli graph Brouwer–Haemers graph Local McLaughlin graph Perkel graph Gewirtz graph A symmetric graph is one in which there is a symmetry (graph automorphism)...

20-regular 81-vertex Sudoku graph should be distinguished from a different 20-regular graph on 81 vertices, the Brouwer–Haemers graph, which has smaller cliques...

method, Wiley. Brouwer, Andries; Haemers, Willem H. (2011), Spectra of Graphs (PDF), Springer Hoory; Linial; Wigderson (2006), Expander graphs and their applications...

ISBN 3-540-50619-5. MR 1002568. Brouwer, Andries E.; Haemers, Willem H. (2012). "9.1.2 The Paley graphs". Spectra of graphs. Universitext. New York: Springer...

("The spectrum of a graph"), pp. 7–13. Brouwer, Andries E.; Haemers, Willem H. (2012), "1.3.6 Bipartite graphs", Spectra of Graphs, Universitext, New York:...