# Papers

> The academic literature on Eternity II and edge-matching puzzles, drawn from the project's research notes and the community reading list, and ranked by how useful each paper actually is if your goal is to write a solver.

- Canonical page (with interactive figures/demos): https://eternity2.dev/research/papers/
- Updated: 2026-07-15
- Topics: exact-methods, search-space

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The short version: the complexity results tell you why it's hard, the SAT/CSP
papers explain why off-the-shelf solvers hit a wall, and the
constraint-propagation and large-neighborhood papers are the ones whose ideas
show up in the strongest solvers.
> **[Interactive: PapersView]** Rendered on the canonical page (link above); not shown in this markdown export.