Abstract | ||
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In this paper Seidel matrices are studied, and their spectrum and several related algebraic properties are determined for order n≤13. Based on this Seidel matrices with exactly three distinct eigenvalues of order n≤23 are classified. One consequence of the computational results is that the maximum number of equiangular lines in R12 with common angle 1∕5 is exactly 20. |
Year | DOI | Venue |
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2018 | 10.1016/j.ejc.2017.10.009 | European Journal of Combinatorics |
Field | DocType | Volume |
Seidel adjacency matrix,Discrete mathematics,Combinatorics,Matrix (mathematics),Enumeration,Algebraic properties,Equiangular lines,Eigenvalues and eigenvectors,Mathematics | Journal | 69 |
ISSN | Citations | PageRank |
0195-6698 | 0 | 0.34 |
References | Authors | |
0 | 2 |
Name | Order | Citations | PageRank |
---|---|---|---|
Ferenc Szöllösi | 1 | 6 | 2.54 |
Patric R. J. Östergård | 2 | 609 | 70.61 |