HOW PROVABLY GRACEFUL ARE THE TREES?

Peter J. Slater


Abstract


Given the inability to prove that all trees are graceful, can we at least say something positive about their gracefulness? Two problems of this type are presented.

DOI : http://dx.doi.org/10.22342/jims.0.0.25.133-136


Keywords


Bijection, tree, graceful.

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p-ISSN:2086-8952e-ISSN:2460-0245