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D.15.23.7 projectiveSpace

Procedure from library schubert.lib (see schubert_lib).

Usage:
projectiveSpace(n); n int

Return:
variety

Theory:
create a projective space of dimension n as an abstract variety. Its Chow ring is a quotient ring in one variable h modulo the ideal generated by h^(n+1).

Example:
 
See also: Grassmannian; projectiveBundle.


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