coincident-root-loci-0.2: Equivariant CSM classes of coincident root loci

Math.RootLoci.Classic

Contents

Description

Classical results:

• Hilbert's degree formula
• some enumarative geometry computations by Schubert

Synopsis

# Documentation

Codimension of a strata. This is simply (sum mu_i) - length(mu).

Dimension of the strata. dim = length(mu).

# Hilbert formula

Hilbert's formula for the degree of a stratum

Hilbert's degree formula, another version (as a sanity test).

# Schubert

Number of 4-tangent lines to a generic degree d surface

Number of lines meeting a generic degree d surface at point with 5x multiplicity