Geodesic
Metrically regular square of metrically regular bipartite graphs of diameter $D = 7$
Archivum mathematicum, Tome 54 (2018) no. 4, pp. 227-237.

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The present paper deals with the spectra of powers of metrically regular graphs. We prove that there is only two tables of the parameters of an association scheme so that the corresponding metrically regular bipartite graph of diameter $D = 7$ (8 distinct eigenvalues of the adjacency matrix) has the metrically regular square. The results deal with the graphs of the diameter $D 7$ see [8], [9] and [10].
DOI : 10.5817/AM2018-4-227
Classification : 05C50
Keywords: spectra of graphs; squares of graphs; distance regular graphs; association scheme; metrically regular graphs; bipartite graphs; Kneser graph 
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     title = {Metrically regular square of metrically regular bipartite graphs of diameter $D = 7$},
     journal = {Archivum mathematicum},
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Vetchý, Vladimír. Metrically regular square of metrically regular bipartite graphs of diameter $D = 7$. Archivum mathematicum, Tome 54 (2018) no. 4, pp. 227-237. doi : 10.5817/AM2018-4-227. http://geodesic.mathdoc.fr/articles/10.5817/AM2018-4-227/

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