Chern classes of logarithmic derivations for free divisors with Jacobian ideal of linear type

Abstract

Let 𝑋 be a nonsingular variety defined over an algebraically closed field of characteristic 0, and 𝐷 be a free divisor with Jacobian ideal of linear type. We compute the Chern class of the sheaf of logarithmic derivations along 𝐷 and compare it with the Chern–Schwartz–MacPherson class of the hypersurface complement. Our result establishes a conjecture by Aluffi raised in [Alu12b].