The Bruce-Roberts Numbers of a Function on an ICIS

Bárbara K. Lima-Pereira, Juan José Nuño-Ballesteros, Bruna Oréfice-Okamoto +1

We give formulas for the Bruce-Roberts number ${\mu }_{BR}(f,X)$ and its relative version ${\mu }_{BR}^{-}(f,X)$ of a function $f$ with respect to an ICIS $(X,0)$. We show that $μ_{BR}^{-}(f…