Lee, S.M. and SC. Shee, On Skolem graceful graphs, Discrete Mathematics 93 (1991) 195-200. A Skolem graceful labelling of graphs is introduced. It is shown that a tree is Skolem graceful iff it is graceful. The Skolem deficiency of a graph is defined and Skolem deficiencies of some well-known graphs
Skolem Graceful Signed Graphs
β Scribed by Mukti Acharya; Tarkeshwar Singh
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 128 KB
- Volume
- 15
- Category
- Article
- ISSN
- 1571-0653
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The purpose of the paper is to study relations graphs and certain Skolem sequences. ## between graceful numbering of certain 2-regular In this paper, all graphs will be finite, without loops or multiple edges. For any graph G, the symbols V(G) and E(G) will denote its vertex set and its edge set,
In this paper, we prove that the n-cube is graceful, thus answering a conjecture of J.-C. Bermond and Gangopadhyay and Rao Hebbare. To do that, we introduce a special kind of graceful numbering, particular case of a-valuation, called strongly graceful and we prove that if a graph G is strongly grace
sequence to be the signed degree sequence of a signed graph or a signed tree, answering a question raised by