On \(k\)-graceful labeling of pendant edge extension of complete bipartite graphs
Abstract
For any two positive integers \(m,n\), we denote the graph \(K_{m,n}\odot K_1\) by \(G\). Ma Ke-Jie proposed a conjecture [9] that pendant edge extension of a complete bipartite graph is a \(k\)-graceful graph for \(k \ge 2\). In this paper we prove his conjecture for \(n\le m < n^2+\lfloor\frac{k}{n}\rfloor+ r\).
Keywords
\(k\)-graceful labeling, complete bipartite graph, corona, \(1\)-crown
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