D.5.17.28 normalBundle

Return:

number

Input:

M is a moduli space of stable maps, G is a graph

Output:

a number corresponding to the normal bundle on a moduli space of stable maps at a graph

hypersurfaces

LIB "schubert.lib";
ring r = 0,x,dp;
variety P = projectiveSpace(4);
stack M = moduliSpace(P,2);
def F = fixedPoints(M);
graph G = F[1][1];
number f = normalBundle(M,G);
f <> 0;
==> 1