Symmetries and stabilization for sheaves of vanishing cycles

Christopher Brav, Vittoria Bussi, Delphine Dupont +2

Let $U$ be a smooth $\mathbb{C}$-scheme, $f:U\to {\mathbb{A}}^1$ a regular function, and $X=$Crit$(f)$ the critical locus, as a $\mathbb{C}$-subscheme of $U$. Then one can define the "pe…