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ON THE NUMBER OF VERTICES WITH AN INTERVAL SPECTRUM IN EDGE LABELING OF REGULAR GRAPHS

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CC BY-NC 4.0 This work is licensed under Creative Commons Attribution–NonCommercial International License (CC BY-NC 4.0).

Abstract

Undirected simple finite graphs are considered. An upper bound of the number of vertices with an interval spectrum is obtained for any edge labeling of an arbitrary regular graph.

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