Geodesic
Metrically regular square of metrically regular bigraphs. II
Archivum mathematicum, Tome 28 (1992) no. 1-2, pp. 17-24
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Metrically regular bigraphs the square of which are metrically regular graphs are investigated in the case of graphs with 6 distinct eigenvalues (these eigenvalues can have variuos multiplicities).
Metrically regular bigraphs the square of which are metrically regular graphs are investigated in the case of graphs with 6 distinct eigenvalues (these eigenvalues can have variuos multiplicities).
Classification : 05C25, 05C50, 05E30
Keywords: spectra of graphs; squares of graphs; bipartite graphs; metrically regular graphs (MRG); association scheme 
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     author = {Vetch\'y, Vladim{\'\i}r},
     title = {Metrically regular square of metrically regular bigraphs. {II}},
     journal = {Archivum mathematicum},
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     year = {1992},
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Vetchý, Vladimír. Metrically regular square of metrically regular bigraphs. II. Archivum mathematicum, Tome 28 (1992) no. 1-2, pp. 17-24. http://geodesic.mathdoc.fr/item/ARM_1992_28_1-2_a3/

[1] Bauer L.: Association Schemes I. Arch. Math. (Brno) 17 (1981), 173-184. | MR | Zbl

[2] Vetchý V.: Metrically regular square of metrically regular bigraphs I. Arch. Math. (Brno), Tomus 27b (1992), 183-197. | MR