Abstract
A simple graph G=(V, E) with n vertices and m edges is called graceful, if that graph G can be labeled with a bijection f:V(G) {1, 2, .., n} and g:E(G) {1, 2, .., m}, with condition label on any edge equals the difference between the labels of the two endpoints. This study examined graceful labeling on path graph Pn for n>=3.
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