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A190477
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Constant arising in lattice coverings of Nil space by congruent geodesic balls.
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0
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OFFSET
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1,2
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COMMENTS
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The Nil geometry is one of the eight 3-dimensional Thurston geometries, which can be derived from W. Heisenberg's real matrix group.
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LINKS
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EXAMPLE
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Approximately 1.42900615.
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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