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Publicado en línea: 28 jun 2019
Páginas: 163 - 168
Recibido: 28 nov 2018
Aceptado: 10 may 2019
DOI: https://doi.org/10.2478/AMNS.2019.1.00016
Palabras clave
© 2019 S. Goyal et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Fig. 1
![The graphs G, H, G[H]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64709ef171e4585e08aa18b4/j_AMNS.2019.1.00016_fig_001.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251005%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251005T065710Z&X-Amz-Expires=3600&X-Amz-Signature=84fdb548c3dc7ed3576b84d7cde9f2e071a10cf8be8871811e3cf2a548045df7&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Fig. 2

Fig. 3
![The graphs G, P = Λ(G), Q = Λ[G], R = D2(G) and S = D2[G]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64709ef171e4585e08aa18b4/j_AMNS.2019.1.00016_fig_003.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251005%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251005T065710Z&X-Amz-Expires=3600&X-Amz-Signature=633e853fdda40362bcd6edb584b7a833329d1453521be7994627c677a1b37278&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Fig. 4
![The graphs G, H, S(G)[H], Q(G)[H], M(G)[H] and T(G)[H]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64709ef171e4585e08aa18b4/j_AMNS.2019.1.00016_fig_004.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251005%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251005T065710Z&X-Amz-Expires=3600&X-Amz-Signature=572a55a326b29d1fb46d7d511b5f4750a66abcbb5b218103e912c379317310fd&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)