A sphere can be characterized as a smooth ovaloid which contains one circle through each point (Q1321698)
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scientific article; zbMATH DE number 558739
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A sphere can be characterized as a smooth ovaloid which contains one circle through each point |
scientific article; zbMATH DE number 558739 |
Statements
A sphere can be characterized as a smooth ovaloid which contains one circle through each point (English)
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25 August 1994
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Continuing the investigations in the papers of the first author and \textit{R. Takagi} in [Tsukuba J. Math. 8, 171-182 (1984; Zbl 0544.53002)] and the second author in J. Geom. 24, 123-130 (1985; Zbl 0571.53001)] the authors show the statement described by the title of this paper.
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circles on surfaces
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spheres
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