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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DOI: https://doi.org/10.22342/jims.0.0.25.133-136

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Journal of the Indonesian Mathematical Society
Mathematics Department, Universitas Gadjah Mada
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p-ISSN: 2086-8952 | e-ISSN: 2460-0245


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