dual_decomposition: abstract + intro, rename to "edge suppression", bib

- Fill in the abstract and add a Section 1 introduction.
- Rename "cubic-graph edge contraction" -> "edge suppression" throughout
  (section, definition, theorem, captions, prose, labels). The PNG
  filenames keep their old paths and still resolve.
- Reframe edge suppression as a classical operation we recall, not a new
  concept we introduce; the face-monochromatic-pair conjecture (with its
  strengthening) is the sole contribution.
- Add a bibliography citing Appel-Haken Parts I and II, Robertson-Sanders-
  Seymour-Thomas, and Gonthier, and \cite them in the intro.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
2026-05-24 14:35:35 -04:00
parent b6f2ee8d6e
commit 2158c54117
4 changed files with 271 additions and 143 deletions
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