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A sphere as a surface which contains many circles

โœ Scribed by Nobuko Takeuchi


Book ID
112498627
Publisher
Springer
Year
1985
Tongue
English
Weight
319 KB
Volume
24
Category
Article
ISSN
0047-2468

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๐Ÿ“œ SIMILAR VOLUMES


A surface which contains planar geodesic
โœ Nobuko Takeuchi ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› Springer ๐ŸŒ English โš– 128 KB

It is proved that a complete surface in E 3 is a sphere or a plane if it contains at least four geodesics through each point which are plane curves.