9 citations · 16 across the 23 of their papers we have counts for
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math.CO2017
Spectral characterization of mixed extensions of small graphs
Willem H. Haemers
A mixed extension of a graph is a graph obtained from by replacing each vertex of by a clique or a coclique, where vertices of coming from different vertices of…
math.CO2017
Signed graphs cospectral with the path
Saieed Akbari, Willem H. Haemers, Hamid Reza Maimani +1
A signed graph is said to be determined by its spectrum if every signed graph with the same spectrum as is switching isomorphic with . Here it is proved that the path $P…