Graceful centers of graceful graphs and universal graceful graphs.

• Makadia, H. M. ^[2] ; Karavadiya, H. M. ^[3] ; Kaneria, V. J. ^[1]
  1. [1] Saurashtra University

     Saurashtra University

     India

     
  2. [2] Lukhdhirji Engineering College.
  3. [3] Shri Labhubhai Trivedi Institute Of Engineering And Technology.

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• Localización: Proyecciones: Journal of Mathematics, ISSN 0716-0917, ISSN-e 0717-6279, Vol. 38, Nº. 2, 2019, págs. 305-314
• Idioma: inglés
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• Resumen

  • In this paper we define graceful center of a graceful graph. We proved any graph G which admits α-labeling has at least four graceful centers. We also defined a new strong concept of universal graceful graph. Some results on ring sum of two graphs for their graceful labeling are proved.