2 problems

Let $f\colon (\mathbb{C}^n,S) \to (\mathbb{C}^{n+1},0)$ be an mathcal{F}-finite frontal map germ. Let $\mu_{\mathcal{F}}(f)$ denote its frontal Milnor number, and let…

Let $f\colon (\mathbb{C}^n,0)\to(\mathbb{C}^{n+1},0)$ be a stable proper frontal map germ of corank $1$, with Legendrian lift $\tilde f$. Define Ishikawa's indices by … Here square…