Ruled surfaces and generic coverings
β Scribed by S. Manfredini; R. Pignatelli
- Book ID
- 108286338
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 165 KB
- Volume
- 153
- Category
- Article
- ISSN
- 0166-8641
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## Abstract We prove the existence of canonical scrolls; that is, scrolls playing the role of canonical curves. First of all, they provide the geometrical version of Riemann Roch Theorem: any special scroll is the projection of a canonical scroll and they allow to understand the classification of s
ruled surfaces of degree 2m, whose shape is guided by m Ο© 1 control lines and m frame lines. This is an advantage In this paper, geometric design problems for rational ruled surfaces are studied. We investigate a line geometric control over the method of Ravani and Wang, which results in structure a