Graph embedding is the process of representing a graph in a different space, typically by mapping its vertices and edges to points and lines in a geometric space while preserving certain properties of the original graph. This technique is crucial for understanding the structure of graphs, especially in the context of planar graphs, as it allows for visualizations and analysis that help in determining whether a graph can be drawn without edge crossings. The relationship between graph embeddings and planar graphs plays a significant role in proving the Four Color Theorem.
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