Paper by Erik D. Demaine

Jeffrey Bosboom, Erik D. Demaine, Martin L. Demaine, Adam Hesterberg, Roderick Kimball, and Justin Kopinsky, “Path Puzzles: Discrete Tomography with a Path Constraint is Hard”, Graphs and Combinatorics, to appear.

We prove that path puzzles with complete row and column information—or equivalently, 2D orthogonal discrete tomography with Hamiltonicity constraint—are strongly NP-complete, ASP-complete, and #P-complete. Along the way, we newly establish ASP-completeness and #P-completeness for 3-Dimensional Matching and Numerical 3-Dimensional Matching.

This paper is available as arXiv:1803.01176.

The paper is 16 pages.

The paper is available in PDF (716k).
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Related papers:
PathPuzzles_JCDCGGG2017 (Path Puzzles: Discrete Tomography with a Path Constraint is Hard)

See also other papers by Erik Demaine.
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Last updated January 13, 2020 by Erik Demaine.