Home Online Manual
Top
Back: topChernClass
Forward: dualSheaf
FastBack:
FastForward:
Up: schubert_lib
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document

D.15.33.15 totalSegreClass

Procedure from library schubert.lib (see schubert_lib).

Usage:
totalSegreClass(S); S sheaf

Return:
poly

Input:
S is a sheaf

Theory:
This is the total Segre class of a sheaf.
SEE AlSO: totalChernClass

Example:
 
LIB "schubert.lib";
variety G = Grassmannian(2,4);
def R = G.baseRing;
setring R;
sheaf S = makeSheaf(G,subBundle);
totalSegreClass(S);
==> q(2)+q(1)+1