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Extend disjunction-conjecture empirical table to n=12

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Disjunction (every maximal planar graph is a derived level graph or
intertwining tree) holds through n=12. New intertwining-only iso class
at n=12 (analog of T*_9 at n=9) brings the count of derived-resistant
iso classes to 2 in this range. Per the intertwining-tree ⟺
Hamiltonian-dual equivalence, intertwining-tree failures cannot occur
until n=21 (dual of the 38-vertex Holton-McKay minimum Tait
counterexample).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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didericis
2026-05-21 18:06:29 -04:00
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papers/even_level_graph_generators/paper.log
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papers/even_level_graph_generators/paper.pdf
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papers/even_level_graph_generators/paper.tex
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@@ -280,6 +280,7 @@ $8$ & $14$ & $0$ & $0$ & $14$ & $0$ & holds \\
$9$ & $50$ & $0$ & $1$ & $49$ & $0$ & holds \\ $9$ & $50$ & $0$ & $1$ & $49$ & $0$ & holds \\
$10$ & $233$ & $0$ & $0$ & $233$ & $0$ & holds \\ $10$ & $233$ & $0$ & $0$ & $233$ & $0$ & holds \\
$11$ & $1249$ & $0$ & $0$ & $1249$ & $0$ & holds \\ $11$ & $1249$ & $0$ & $0$ & $1249$ & $0$ & holds \\
$12$ & $7595$ & $0$ & $1$ & $7594$ & $0$ & holds \\
\end{tabular} \end{tabular}
\end{center} \end{center}