Top
Back: ChernClass
Forward: totalSegreClass
FastBack:
FastForward:
Up: schubert_lib
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document

D.5.17.14 topChernClass

Procedure from library schubert.lib (see schubert_lib).

Usage:
topChernClass(S); S sheaf

Return:
poly

Input:
S is a sheaf

Theory:
This is the top Chern class of a sheaf

Example:
 
LIB "schubert.lib";
variety G = Grassmannian(2,4);
def R = G.baseRing;
setring R;
sheaf S = makeSheaf(G,quotientBundle);
sheaf B = S^3;
topChernClass(B);
==> 27*q(2)^2
See also: ChernClass; totalChernClass.


Top Back: ChernClass Forward: totalSegreClass FastBack: FastForward: Up: schubert_lib Top: Singular Manual Contents: Table of Contents Index: Index About: About this document
            User manual for Singular version 4.3.1, 2022, generated by texi2html.