منابع مشابه
The join of algebraic curves
Let P be the n-dimensional projective space over C. Denote by G(1,P) the grassmannian of the all projective lines in P. By the Plücker embedding G(1,P) →֒ P( n+1 2 )−1 the grassmannian is an algebraic subset of P( n+1 2 ). For any projective line L ⊂ P we will denote by [L] the corresponding point of G(1,P) and for any P,Q ∈ P, P 6= Q, we will denote by PQ the unique projective line in P spanned...
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If algebraic varieties like curves or surfaces are to be manipulated by computers, it is essential to be able to represent these geometric objects in an appropriate way. For some applications an implicit representation by algebraic equations is desirable, whereas for others an explicit or parametric representation is more suitable. Therefore, transformation algorithms from one representation to...
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ژورنال
عنوان ژورنال: Illinois Journal of Mathematics
سال: 2002
ISSN: 0019-2082
DOI: 10.1215/ijm/1258130981