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Rectangular spiral galaxies are still hard - MaRDI portal

Rectangular spiral galaxies are still hard (Q2678258)

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Rectangular spiral galaxies are still hard
scientific article

    Statements

    title
    Rectangular spiral galaxies are still hard (English)
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    author
    Erik D. Demaine
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    Maarten Löffler
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    Christiane Schmidt
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    publication date
    9 January 2023
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    Mathematics Subject Classification ID
    05C57
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    05B50
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    05C70
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    68Q17
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    91A43
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    zbMATH DE Number
    7639682
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    zbMATH Keywords
    pencil-and-paper puzzle
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    spiral galaxies
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    NP-completeness
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    non-crossing matching
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    OpenAlex ID
    W3202494940
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    arXiv ID
    2110.00058
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