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A Computational Approach to the Graceful Tree Conjecture

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arxiv 1003.3045 v2 pith:ZX53BTGO submitted 2010-03-15 cs.DM math.CO

classification cs.DMmath.CO
keywords gracefulconjecturetreealgorithmapproachcomputationallabellingtrees
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Graceful tree conjecture is a well-known open problem in graph theory. Here we present a computational approach to this conjecture. An algorithm for finding graceful labelling for trees is proposed. With this algorithm, we show that every tree with at most 35 vertices allows a graceful labelling, hence we verify that the graceful tree conjecture is correct for trees with at most 35 vertices.

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  1. Alternating Extremes in Graceful Labelings of Full Binary Trees and Spider Trees

    math.CO 2026-07 unverdicted novelty 7.0 of 10

    Comb full binary trees and leaf-extended spiders built from self-matched legs admit the newly stated pinned-spine/graceful labelings, and the pinned-spine conjecture is verified computationally for all rooted FBTs thr...

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