On graceful labelings of trees
arXiv:1811.07614
Abstract
We prove via a composition lemma, the Kotzig-Ringel-Rosa conjecture, better known as the Graceful Labeling Conjecture. We also prove via a stronger version of the composition lemma a stronger form of the Graceful Labeling Conjecture.
arXiv admin note: text overlap with arXiv:1808.05551