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The differential geometry of manifolds of $n$-dimensional balls and manifolds of straight lines in $n+1$-dimensional Euclidean space - MaRDI portal

The differential geometry of manifolds of $n$-dimensional balls and manifolds of straight lines in $n+1$-dimensional Euclidean space (Q3821210)

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English
The differential geometry of manifolds of $n$-dimensional balls and manifolds of straight lines in $n+1$-dimensional Euclidean space
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    1989
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    sphere manifolds
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    line manifolds
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    focal points
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    The differential geometry of manifolds of $n$-dimensional balls and manifolds of straight lines in $n+1$-dimensional Euclidean space (English)
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