Geodesic
The Koolen-Park bound and distance-regular graphs without $m$-clavs
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (2022), pp. 64-69

Voir la notice de l'article provenant de la source Math-Net.Ru

Using the Koolen-Park bound, we prove that distance-regular graphs with intersection arrays $\{83,54,21;1,6,63\}$, $\{80,54,12;1,6,60\}$ and $\{93,64,24;1,12,62\}$ do not exist.
Keywords: distance-regular graph, Koolen-Pack boundary
Mots-clés : $m$-clav. 
@article{IVM_2022_9_a5,
     author = {A. A. Makhnev and Wenbin Guo and K. S. Efimov},
     title = {The {Koolen-Park} bound and distance-regular graphs without $m$-clavs},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {64--69},
     publisher = {mathdoc},
     number = {9},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2022_9_a5/}
}
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A. A. Makhnev; Wenbin Guo; K. S. Efimov. The Koolen-Park bound and distance-regular graphs without $m$-clavs. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (2022), pp. 64-69. http://geodesic.mathdoc.fr/item/IVM_2022_9_a5/