f6144b98b5
Defines D(G) as the family of single-edge-deletion spanning subgraphs of a maximal planar graph G, and shows that when G_0 is a minimum-order 5-chromatic maximal planar graph every member of D(G_0) is 4-colorable, via a coloring pulled back from the smaller minor G_0/uv. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
21 lines
1.4 KiB
TeX
21 lines
1.4 KiB
TeX
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