The spectra of the local graphs of the twisted Grassmann graphs
Bang, Sejeong, Fujisaki, Tatsuya, Koolen, J.H.
Published in European journal of combinatorics (01.04.2009)
Published in European journal of combinatorics (01.04.2009)
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Journal Article
Characterizing distance-regularity of graphs by the spectrum
van Dam, E.R., Haemers, W.H., Koolen, J.H., Spence, E.
Published in Journal of combinatorial theory. Series A (01.11.2006)
Published in Journal of combinatorial theory. Series A (01.11.2006)
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Journal Article
Width and dual width of subsets in polynomial association schemes
Brouwer, A.E., Godsil, C.D., Koolen, J.H., Martin, W.J.
Published in Journal of combinatorial theory. Series A (01.05.2003)
Published in Journal of combinatorial theory. Series A (01.05.2003)
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Journal Article
There are only finitely many distance-regular graphs of fixed valency greater than two
Bang, S., Dubickas, A., Koolen, J.H., Moulton, V.
Published in Advances in mathematics (New York. 1965) (10.01.2015)
Published in Advances in mathematics (New York. 1965) (10.01.2015)
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Journal Article
Connectivity concerning the last two subconstituents of a Q-polynomial distance-regular graph
Cioabă, S.M., Koolen, J.H., Terwilliger, P.
Published in Journal of combinatorial theory. Series A (01.01.2021)
Published in Journal of combinatorial theory. Series A (01.01.2021)
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Cospectral graphs and the generalized adjacency matrix
van Dam, E.R., Haemers, W.H., Koolen, J.H.
Published in Linear algebra and its applications (01.05.2007)
Published in Linear algebra and its applications (01.05.2007)
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Conference Proceeding
Counting vertices and cubes in median graphs of circular split systems
Choe, Y.B., Huber, K.T., Koolen, J.H., Kwon, Y.S., Moulton, V.
Published in European journal of combinatorics (01.02.2008)
Published in European journal of combinatorics (01.02.2008)
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Journal Article
Δ additive and Δ ultra-additive maps, Gromov's trees, and the Farris transform
Dress, A., Holland, B., Huber, K.T., Koolen, J.H., Moulton, V., Weyer-Menkhoff, J.
Published in Discrete Applied Mathematics (15.02.2005)
Published in Discrete Applied Mathematics (15.02.2005)
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