Graph labeling

JA Gallian - The electronic journal of combinatorics, 2012 - combinatorics.org
A graph labeling is an assignment of integers to the vertices or edges, or both, subject to
certain conditions. Graph labelings were first introduced in the mid 1960s. In the intervening …

[PDF][PDF] Recent developments on gracefulness of graphs. A survey complemented with chessboard representations

K Kotul'ová, M Haviar - series Mathematics, 2020 - actamath.savbb.sk
We present a survey of selected new results about graceful labellings of graphs which were
published during the last seven years. Among them a proof of famous Ringel-Kotzig …