Reconstructing \(d\)-manifold subcomplexes of cubes from their \((\lfloor d/2\rfloor+1)\)-skeletons (Q2117351)

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Reconstructing \(d\)-manifold subcomplexes of cubes from their \((\lfloor d/2\rfloor+1)\)-skeletons
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    Reconstructing \(d\)-manifold subcomplexes of cubes from their \((\lfloor d/2\rfloor+1)\)-skeletons (English)
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    21 March 2022
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    It is known that: \begin{itemize} \item the combinatorics of a simple convex polytope can be recovered by its \(1\)-skeleton; \item a \(d\)-dimensional simplicial manifold can be recovered by its \((\lfloor \frac{d}{2}\rfloor +1)\)-skeleton. \end{itemize} It is proven in the paper that any \(d\)-dimensional cubical homology manifold embeddable in a cube can be reconstructed from its \((\lfloor \frac{d}{2}\rfloor +1)\)-skeleton. Under some additional conditions the result can be tightened to the \(\lceil \frac{d}{2}\rceil\)-skeleton.
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    cubical complexes
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    manifolds
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    Poincaré duality
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    simplicial complexes
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