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D.4.22.1 ReesAlgebra

Procedure from library reesclos.lib (see reesclos_lib).

Usage:
ReesAlgebra (I); I = ideal

Return:
The Rees algebra R[It] as an affine ring, where I is an ideal in R. The procedure returns a list containing two rings:
[1]: a ring, say RR; in the ring an ideal ker such that R[It]=RR/ker

[2]: a ring, say Kxt; the basering with additional variable t containing an ideal mapI that defines the map RR-->Kxt

Example:
 


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            User manual for Singular version 3-1-6, Dec 2012, generated by texi2html.