96 citations · 283 across the 48 of their papers we have counts for
Showing 2014 · math.COShow all
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math.CO2014★ 39 cited
Biregular graphs with three eigenvalues
Xi-Ming Cheng, Alexander L. Gavrilyuk, Gary R. W. Greaves +1
We consider nonregular graphs having precisely three distinct eigenvalues. The focus is mainly on the case of graphs having two distinct valencies and our results include construct…
math.CO2014★ 96 cited
Equiangular lines in Euclidean spaces
G. Greaves, J. H. Koolen, A. Munemasa +1
We obtain several new results contributing to the theory of real equiangular line systems. Among other things, we present a new general lower bound on the maximum number of equiang…
math.CO2014★ 4 cited
Characterizing Block Graphs in Terms of their Vertex-Induced Partitions
A. Dress, K. T. Huber, J. Koolen +2
Given a finite connected simple graph with vertex set and edge set , we will show that the (necessarily unique) smallest block graph wit…