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Divisible design graphs
Haemers, Willem H.; Kharaghani, Hadi; Meulenberg, Maaike A. - 2010
Persistent link: https://www.econbiz.de/10003965549
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Disconnected vertex sets and equidistant code pairs
Haemers, Willem H. - 1996
Persistent link: https://www.econbiz.de/10000944827
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Eigenvalues and the diameter of graphs
Dam, Edwin Robert van; Haemers, Willem H. - 1993
Persistent link: https://www.econbiz.de/10000860958
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Regular two-graphs and extensions of partial geometries
Haemers, Willem H. - 1990
Persistent link: https://www.econbiz.de/10000804118
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Strongly regular graphs with parameters (4m 4, 2m 4 + m 2, m 4 + m 2, m 4 + m 2) exist for All m>1
Haemers, Willem H. (contributor); Xiang, Qing (contributor) - 2008
Persistent link: https://www.econbiz.de/10003777718
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On the sum of Laplacian eigenvalues of graphs
Haemers, Willem H. (contributor);  … - 2008
Persistent link: https://www.econbiz.de/10003777889
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Cospectral graphs and the generalized adjacency matrix
Dam, Edwin Robert van (contributor);  … - 2006
Persistent link: https://www.econbiz.de/10003324282
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Graphs cospectral with Kneser graphs
Haemers, Willem H.; Ramezani, Farzaneh - 2009
Persistent link: https://www.econbiz.de/10003884416
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Universal adjacency matrices with two eigenvalues
Haemers, Willem H.; Omidi, G. R. - 2010
Persistent link: https://www.econbiz.de/10008738467
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The maximum order of adjacency matrices with a given rank
Haemers, Willem H.; Peeters, M. J. P. - 2010
Persistent link: https://www.econbiz.de/10008746128