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The Pseudo-Geometric Graphs for Generalised Quadrangles of Order (3,t)
Haemers, W.H.; Spence, E. - Tilburg University, School of Economics and Management - 2000
AMS classifications: 05E30; 51E12
Persistent link: https://www.econbiz.de/10011086812
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Graphs cospectral with distance-regular graphs
Haemers, W.H.; Spence, E. - Tilburg University, School of Economics and Management - 1993
Persistent link: https://www.econbiz.de/10011086836
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Small Regular Graphs with Four Eigenvalues
van Dam, Edwin Robert; Spence, E. - Tilburg University, School of Economics and Management - 1996
For most feasible spectra of connected regular graphs with four distinct eigenvalues and at most 30 vertices we find … all such graphs, using both theoretic and computer results. …
Persistent link: https://www.econbiz.de/10011087114
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Enumeration of Cospectral Graphs
Haemers, W.H.; Spence, E. - Tilburg University, Center for Economic Research - 2002
AMS classification: 05C50;
Persistent link: https://www.econbiz.de/10011091394