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math.CO2022
A proof of the Kotzig-Ringel-Rosa Conjecture
Edinah K. Gnang
In graph theory, a graceful labeling of a graph with m edges is a labeling of its vertices with a subset of the integers ranging from 0 to m inclusive, such that no two vertices sh…
math.CO2022
A proof of the Graham Sloane conjecture
Edinah K. Gnang, Michael Peretzian Williams
We settle in the affirmative the Graham-Sloane conjecture.