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Polarities of Schellhammer planes - MaRDI portal

Polarities of Schellhammer planes (Q2998868)

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Polarities of Schellhammer planes
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    Polarities of Schellhammer planes (English)
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    11 May 2011
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    polarity
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    Schellhammer group
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    Schellhammer plane
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    Moulton plane
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    two-dimensional compact connected projective plane
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    four-dimensional compact connected projective plane
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