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A simple proof that the \((n^{2} - 1)\)-puzzle is hard - MaRDI portal

A simple proof that the \((n^{2} - 1)\)-puzzle is hard (Q1637231)

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A simple proof that the \((n^{2} - 1)\)-puzzle is hard
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    A simple proof that the \((n^{2} - 1)\)-puzzle is hard (English)
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    7 June 2018
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    \((n^2 - 1)\)-puzzle
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    complexity of games
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    NP-hardness
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    rectilinear Steiner tree
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